12520625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 17844288

約数和(自身を除く): 5323663

約数列:

[1, 5, 13, 23, 25, 65, 67, 115, 125, 299, 325, 335, 575, 625, 871, 1495, 1541, 1625, 1675, 2875, 4355, 7475, 7705, 8125, 8375, 14375, 20033, 21775, 37375, 38525, 41875, 100165, 108875, 186875, 192625, 500825, 544375, 963125, 2504125, 12520625]

約数ペア:

[(1, 12520625), (5, 2504125), (13, 963125), (23, 544375), (25, 500825), (65, 192625), (67, 186875), (115, 108875), (125, 100165), (299, 41875), (325, 38525), (335, 37375), (575, 21775), (625, 20033), (871, 14375), (1495, 8375), (1541, 8125), (1625, 7705), (1675, 7475), (2875, 4355)]