31257850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2575

約数の個数: 48

約数和(自身を含む): 65933280

約数和(自身を除く): 34675430

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 2531, 5062, 6175, 12350, 12655, 25310, 32903, 48089, 63275, 65806, 96178, 126550, 164515, 240445, 329030, 480890, 625157, 822575, 1202225, 1250314, 1645150, 2404450, 3125785, 6251570, 15628925, 31257850]

約数ペア:

[(1, 31257850), (2, 15628925), (5, 6251570), (10, 3125785), (13, 2404450), (19, 1645150), (25, 1250314), (26, 1202225), (38, 822575), (50, 625157), (65, 480890), (95, 329030), (130, 240445), (190, 164515), (247, 126550), (325, 96178), (475, 65806), (494, 63275), (650, 48089), (950, 32903), (1235, 25310), (2470, 12655), (2531, 12350), (5062, 6175)]