90637625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 130074672

約数和(自身を除く): 39437047

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 193, 221, 289, 325, 425, 965, 1105, 1445, 1625, 2125, 2509, 3281, 3757, 4825, 5525, 7225, 12545, 16405, 18785, 24125, 27625, 36125, 42653, 55777, 62725, 82025, 93925, 213265, 278885, 313625, 410125, 469625, 725101, 1066325, 1394425, 3625505, 5331625, 6972125, 18127525, 90637625]

約数ペア:

[(1, 90637625), (5, 18127525), (13, 6972125), (17, 5331625), (25, 3625505), (65, 1394425), (85, 1066325), (125, 725101), (193, 469625), (221, 410125), (289, 313625), (325, 278885), (425, 213265), (965, 93925), (1105, 82025), (1445, 62725), (1625, 55777), (2125, 42653), (2509, 36125), (3281, 27625), (3757, 24125), (4825, 18785), (5525, 16405), (7225, 12545)]