61208440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11681}}^1$

素因数の和:11823

約数の個数: 32

約数和(自身を含む): 138782160

約数和(自身を除く): 77573720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 11681, 23362, 46724, 58405, 93448, 116810, 233620, 467240, 1530211, 3060422, 6120844, 7651055, 12241688, 15302110, 30604220, 61208440]

約数ペア:

[(1, 61208440), (2, 30604220), (4, 15302110), (5, 12241688), (8, 7651055), (10, 6120844), (20, 3060422), (40, 1530211), (131, 467240), (262, 233620), (524, 116810), (655, 93448), (1048, 58405), (1310, 46724), (2620, 23362), (5240, 11681)]