85655697560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1345

約数の個数: 128

約数和(自身を含む): 197817984000

約数和(自身を除く): 112162286440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 139, 146, 239, 278, 292, 365, 478, 556, 584, 695, 730, 883, 956, 1112, 1195, 1390, 1460, 1766, 1912, 2390, 2780, 2920, 3532, 4415, 4780, 5560, 7064, 8830, 9560, 10147, 17447, 17660, 20294, 33221, 34894, 35320, 40588, 50735, 64459, 66442, 69788, 81176, 87235, 101470, 122737, 128918, 132884, 139576, 166105, 174470, 202940, 211037, 245474, 257836, 265768, 322295, 332210, 348940, 405880, 422074, 490948, 515672, 613685, 644590, 664420, 697880, 844148, 981896, 1055185, 1227370, 1289180, 1328840, 1688296, 2110370, 2425133, 2454740, 2578360, 4220740, 4850266, 4909480, 8441480, 8959801, 9700532, 12125665, 15405701, 17919602, 19401064, 24251330, 29334143, 30811402, 35839204, 44799005, 48502660, 58668286, 61622804, 71678408, 77028505, 89598010, 97005320, 117336572, 123245608, 146670715, 154057010, 179196020, 234673144, 293341430, 308114020, 358392040, 586682860, 616228040, 1173365720, 2141392439, 4282784878, 8565569756, 10706962195, 17131139512, 21413924390, 42827848780, 85655697560]

約数ペア:

[(1, 85655697560), (2, 42827848780), (4, 21413924390), (5, 17131139512), (8, 10706962195), (10, 8565569756), (20, 4282784878), (40, 2141392439), (73, 1173365720), (139, 616228040), (146, 586682860), (239, 358392040), (278, 308114020), (292, 293341430), (365, 234673144), (478, 179196020), (556, 154057010), (584, 146670715), (695, 123245608), (730, 117336572), (883, 97005320), (956, 89598010), (1112, 77028505), (1195, 71678408), (1390, 61622804), (1460, 58668286), (1766, 48502660), (1912, 44799005), (2390, 35839204), (2780, 30811402), (2920, 29334143), (3532, 24251330), (4415, 19401064), (4780, 17919602), (5560, 15405701), (7064, 12125665), (8830, 9700532), (9560, 8959801), (10147, 8441480), (17447, 4909480), (17660, 4850266), (20294, 4220740), (33221, 2578360), (34894, 2454740), (35320, 2425133), (40588, 2110370), (50735, 1688296), (64459, 1328840), (66442, 1289180), (69788, 1227370), (81176, 1055185), (87235, 981896), (101470, 844148), (122737, 697880), (128918, 664420), (132884, 644590), (139576, 613685), (166105, 515672), (174470, 490948), (202940, 422074), (211037, 405880), (245474, 348940), (257836, 332210), (265768, 322295)]