31354375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 44873136

約数和(自身を除く): 13518761

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 227, 325, 425, 625, 1105, 1135, 1625, 2125, 2951, 3859, 5525, 5675, 8125, 10625, 14755, 19295, 27625, 28375, 50167, 73775, 96475, 138125, 141875, 250835, 368875, 482375, 1254175, 1844375, 2411875, 6270875, 31354375]

約数ペア:

[(1, 31354375), (5, 6270875), (13, 2411875), (17, 1844375), (25, 1254175), (65, 482375), (85, 368875), (125, 250835), (221, 141875), (227, 138125), (325, 96475), (425, 73775), (625, 50167), (1105, 28375), (1135, 27625), (1625, 19295), (2125, 14755), (2951, 10625), (3859, 8125), (5525, 5675)]