39487880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26681}}^1$

素因数の和:26729

約数の個数: 32

約数和(自身を含む): 91252440

約数和(自身を除く): 51764560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 26681, 53362, 106724, 133405, 213448, 266810, 533620, 987197, 1067240, 1974394, 3948788, 4935985, 7897576, 9871970, 19743940, 39487880]

約数ペア:

[(1, 39487880), (2, 19743940), (4, 9871970), (5, 7897576), (8, 4935985), (10, 3948788), (20, 1974394), (37, 1067240), (40, 987197), (74, 533620), (148, 266810), (185, 213448), (296, 133405), (370, 106724), (740, 53362), (1480, 26681)]