258207680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26029}}^1$

素因数の和:26077

約数の個数: 56

約数和(自身を含む): 634715520

約数和(自身を除く): 376507840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 26029, 52058, 104116, 130145, 208232, 260290, 416464, 520580, 806899, 832928, 1041160, 1613798, 1665856, 2082320, 3227596, 4034495, 4164640, 6455192, 8068990, 8329280, 12910384, 16137980, 25820768, 32275960, 51641536, 64551920, 129103840, 258207680]

約数ペア:

[(1, 258207680), (2, 129103840), (4, 64551920), (5, 51641536), (8, 32275960), (10, 25820768), (16, 16137980), (20, 12910384), (31, 8329280), (32, 8068990), (40, 6455192), (62, 4164640), (64, 4034495), (80, 3227596), (124, 2082320), (155, 1665856), (160, 1613798), (248, 1041160), (310, 832928), (320, 806899), (496, 520580), (620, 416464), (992, 260290), (1240, 208232), (1984, 130145), (2480, 104116), (4960, 52058), (9920, 26029)]