55641280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 112

約数和(自身を含む): 140451840

約数和(自身を除く): 84810560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 79, 80, 124, 142, 155, 158, 160, 248, 284, 310, 316, 320, 355, 395, 496, 568, 620, 632, 710, 790, 992, 1136, 1240, 1264, 1420, 1580, 1984, 2201, 2272, 2449, 2480, 2528, 2840, 3160, 4402, 4544, 4898, 4960, 5056, 5609, 5680, 6320, 8804, 9796, 9920, 11005, 11218, 11360, 12245, 12640, 17608, 19592, 22010, 22436, 22720, 24490, 25280, 28045, 35216, 39184, 44020, 44872, 48980, 56090, 70432, 78368, 88040, 89744, 97960, 112180, 140864, 156736, 173879, 176080, 179488, 195920, 224360, 347758, 352160, 358976, 391840, 448720, 695516, 704320, 783680, 869395, 897440, 1391032, 1738790, 1794880, 2782064, 3477580, 5564128, 6955160, 11128256, 13910320, 27820640, 55641280]

約数ペア:

[(1, 55641280), (2, 27820640), (4, 13910320), (5, 11128256), (8, 6955160), (10, 5564128), (16, 3477580), (20, 2782064), (31, 1794880), (32, 1738790), (40, 1391032), (62, 897440), (64, 869395), (71, 783680), (79, 704320), (80, 695516), (124, 448720), (142, 391840), (155, 358976), (158, 352160), (160, 347758), (248, 224360), (284, 195920), (310, 179488), (316, 176080), (320, 173879), (355, 156736), (395, 140864), (496, 112180), (568, 97960), (620, 89744), (632, 88040), (710, 78368), (790, 70432), (992, 56090), (1136, 48980), (1240, 44872), (1264, 44020), (1420, 39184), (1580, 35216), (1984, 28045), (2201, 25280), (2272, 24490), (2449, 22720), (2480, 22436), (2528, 22010), (2840, 19592), (3160, 17608), (4402, 12640), (4544, 12245), (4898, 11360), (4960, 11218), (5056, 11005), (5609, 9920), (5680, 9796), (6320, 8804)]