80980432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 183877120

約数和(自身を除く): 102896688

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 661, 806, 988, 1178, 1322, 1612, 1976, 2356, 2644, 3224, 3952, 4712, 5288, 6448, 7657, 8593, 9424, 10576, 12559, 15314, 17186, 20491, 25118, 30628, 34372, 40982, 50236, 61256, 68744, 81964, 100472, 122512, 137488, 163267, 163928, 200944, 266383, 326534, 327856, 389329, 532766, 653068, 778658, 1065532, 1306136, 1557316, 2131064, 2612272, 3114632, 4262128, 5061277, 6229264, 10122554, 20245108, 40490216, 80980432]

約数ペア:

[(1, 80980432), (2, 40490216), (4, 20245108), (8, 10122554), (13, 6229264), (16, 5061277), (19, 4262128), (26, 3114632), (31, 2612272), (38, 2131064), (52, 1557316), (62, 1306136), (76, 1065532), (104, 778658), (124, 653068), (152, 532766), (208, 389329), (247, 327856), (248, 326534), (304, 266383), (403, 200944), (494, 163928), (496, 163267), (589, 137488), (661, 122512), (806, 100472), (988, 81964), (1178, 68744), (1322, 61256), (1612, 50236), (1976, 40982), (2356, 34372), (2644, 30628), (3224, 25118), (3952, 20491), (4712, 17186), (5288, 15314), (6448, 12559), (7657, 10576), (8593, 9424)]