27820640

素因数分解:

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

素因数の和:196

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 41852320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 71, 79, 80, 124, 142, 155, 158, 160, 248, 284, 310, 316, 355, 395, 496, 568, 620, 632, 710, 790, 992, 1136, 1240, 1264, 1420, 1580, 2201, 2272, 2449, 2480, 2528, 2840, 3160, 4402, 4898, 4960, 5609, 5680, 6320, 8804, 9796, 11005, 11218, 11360, 12245, 12640, 17608, 19592, 22010, 22436, 24490, 28045, 35216, 39184, 44020, 44872, 48980, 56090, 70432, 78368, 88040, 89744, 97960, 112180, 173879, 176080, 179488, 195920, 224360, 347758, 352160, 391840, 448720, 695516, 869395, 897440, 1391032, 1738790, 2782064, 3477580, 5564128, 6955160, 13910320, 27820640]

約数ペア:

[(1, 27820640), (2, 13910320), (4, 6955160), (5, 5564128), (8, 3477580), (10, 2782064), (16, 1738790), (20, 1391032), (31, 897440), (32, 869395), (40, 695516), (62, 448720), (71, 391840), (79, 352160), (80, 347758), (124, 224360), (142, 195920), (155, 179488), (158, 176080), (160, 173879), (248, 112180), (284, 97960), (310, 89744), (316, 88040), (355, 78368), (395, 70432), (496, 56090), (568, 48980), (620, 44872), (632, 44020), (710, 39184), (790, 35216), (992, 28045), (1136, 24490), (1240, 22436), (1264, 22010), (1420, 19592), (1580, 17608), (2201, 12640), (2272, 12245), (2449, 11360), (2480, 11218), (2528, 11005), (2840, 9796), (3160, 8804), (4402, 6320), (4898, 5680), (4960, 5609)]