2125960040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1\times {\mathrm{761}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 4826934720

約数和(自身を除く): 2700974680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 331, 422, 662, 761, 844, 1055, 1324, 1522, 1655, 1688, 2110, 2648, 3044, 3310, 3805, 4220, 6088, 6620, 7610, 8440, 13240, 15220, 30440, 69841, 139682, 160571, 251891, 279364, 321142, 349205, 503782, 558728, 642284, 698410, 802855, 1007564, 1259455, 1284568, 1396820, 1605710, 2015128, 2518910, 2793640, 3211420, 5037820, 6422840, 10075640, 53149001, 106298002, 212596004, 265745005, 425192008, 531490010, 1062980020, 2125960040]

約数ペア:

[(1, 2125960040), (2, 1062980020), (4, 531490010), (5, 425192008), (8, 265745005), (10, 212596004), (20, 106298002), (40, 53149001), (211, 10075640), (331, 6422840), (422, 5037820), (662, 3211420), (761, 2793640), (844, 2518910), (1055, 2015128), (1324, 1605710), (1522, 1396820), (1655, 1284568), (1688, 1259455), (2110, 1007564), (2648, 802855), (3044, 698410), (3310, 642284), (3805, 558728), (4220, 503782), (6088, 349205), (6620, 321142), (7610, 279364), (8440, 251891), (13240, 160571), (15220, 139682), (30440, 69841)]