12501680

素因数分解:

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

素因数の和:186

約数の個数: 60

約数和(自身を含む): 30432576

約数和(自身を除く): 17930896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 1136, 1240, 1420, 2201, 2480, 2840, 4402, 5041, 5680, 8804, 10082, 11005, 17608, 20164, 22010, 25205, 35216, 40328, 44020, 50410, 80656, 88040, 100820, 156271, 176080, 201640, 312542, 403280, 625084, 781355, 1250168, 1562710, 2500336, 3125420, 6250840, 12501680]

約数ペア:

[(1, 12501680), (2, 6250840), (4, 3125420), (5, 2500336), (8, 1562710), (10, 1250168), (16, 781355), (20, 625084), (31, 403280), (40, 312542), (62, 201640), (71, 176080), (80, 156271), (124, 100820), (142, 88040), (155, 80656), (248, 50410), (284, 44020), (310, 40328), (355, 35216), (496, 25205), (568, 22010), (620, 20164), (710, 17608), (1136, 11005), (1240, 10082), (1420, 8804), (2201, 5680), (2480, 5041), (2840, 4402)]