80409784

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 195350400

約数和(自身を除く): 114940616

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 124, 182, 196, 217, 248, 364, 392, 403, 434, 509, 637, 728, 806, 868, 1018, 1274, 1519, 1612, 1736, 2036, 2548, 2821, 3038, 3224, 3563, 4072, 5096, 5642, 6076, 6617, 7126, 11284, 12152, 13234, 14252, 15779, 19747, 22568, 24941, 26468, 28504, 31558, 39494, 46319, 49882, 52936, 63116, 78988, 92638, 99764, 110453, 126232, 157976, 185276, 199528, 205127, 220906, 324233, 370552, 410254, 441812, 648466, 773171, 820508, 883624, 1296932, 1435889, 1546342, 1641016, 2593864, 2871778, 3092684, 5743556, 6185368, 10051223, 11487112, 20102446, 40204892, 80409784]

約数ペア:

[(1, 80409784), (2, 40204892), (4, 20102446), (7, 11487112), (8, 10051223), (13, 6185368), (14, 5743556), (26, 3092684), (28, 2871778), (31, 2593864), (49, 1641016), (52, 1546342), (56, 1435889), (62, 1296932), (91, 883624), (98, 820508), (104, 773171), (124, 648466), (182, 441812), (196, 410254), (217, 370552), (248, 324233), (364, 220906), (392, 205127), (403, 199528), (434, 185276), (509, 157976), (637, 126232), (728, 110453), (806, 99764), (868, 92638), (1018, 78988), (1274, 63116), (1519, 52936), (1612, 49882), (1736, 46319), (2036, 39494), (2548, 31558), (2821, 28504), (3038, 26468), (3224, 24941), (3563, 22568), (4072, 19747), (5096, 15779), (5642, 14252), (6076, 13234), (6617, 12152), (7126, 11284)]