257831265640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6011}}^1\times {\mathrm{82487}}^1$

素因数の和:88522

約数の個数: 64

約数和(自身を含む): 624856498560

約数和(自身を除く): 367025232920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 6011, 12022, 24044, 30055, 48088, 60110, 78143, 82487, 120220, 156286, 164974, 240440, 312572, 329948, 390715, 412435, 625144, 659896, 781430, 824870, 1072331, 1562860, 1649740, 2144662, 3125720, 3299480, 4289324, 5361655, 8578648, 10723310, 21446620, 42893240, 495829357, 991658714, 1983317428, 2479146785, 3966634856, 4958293570, 6445781641, 9916587140, 12891563282, 19833174280, 25783126564, 32228908205, 51566253128, 64457816410, 128915632820, 257831265640]

約数ペア:

[(1, 257831265640), (2, 128915632820), (4, 64457816410), (5, 51566253128), (8, 32228908205), (10, 25783126564), (13, 19833174280), (20, 12891563282), (26, 9916587140), (40, 6445781641), (52, 4958293570), (65, 3966634856), (104, 2479146785), (130, 1983317428), (260, 991658714), (520, 495829357), (6011, 42893240), (12022, 21446620), (24044, 10723310), (30055, 8578648), (48088, 5361655), (60110, 4289324), (78143, 3299480), (82487, 3125720), (120220, 2144662), (156286, 1649740), (164974, 1562860), (240440, 1072331), (312572, 824870), (329948, 781430), (390715, 659896), (412435, 625144)]