13910320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 34283520

約数和(自身を除く): 20373200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 79, 80, 124, 142, 155, 158, 248, 284, 310, 316, 355, 395, 496, 568, 620, 632, 710, 790, 1136, 1240, 1264, 1420, 1580, 2201, 2449, 2480, 2840, 3160, 4402, 4898, 5609, 5680, 6320, 8804, 9796, 11005, 11218, 12245, 17608, 19592, 22010, 22436, 24490, 28045, 35216, 39184, 44020, 44872, 48980, 56090, 88040, 89744, 97960, 112180, 173879, 176080, 195920, 224360, 347758, 448720, 695516, 869395, 1391032, 1738790, 2782064, 3477580, 6955160, 13910320]

約数ペア:

[(1, 13910320), (2, 6955160), (4, 3477580), (5, 2782064), (8, 1738790), (10, 1391032), (16, 869395), (20, 695516), (31, 448720), (40, 347758), (62, 224360), (71, 195920), (79, 176080), (80, 173879), (124, 112180), (142, 97960), (155, 89744), (158, 88040), (248, 56090), (284, 48980), (310, 44872), (316, 44020), (355, 39184), (395, 35216), (496, 28045), (568, 24490), (620, 22436), (632, 22010), (710, 19592), (790, 17608), (1136, 12245), (1240, 11218), (1264, 11005), (1420, 9796), (1580, 8804), (2201, 6320), (2449, 5680), (2480, 5609), (2840, 4898), (3160, 4402)]