31891850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 62246016

約数和(自身を除く): 30354166

約数列:

[1, 2, 5, 10, 25, 41, 47, 50, 82, 94, 205, 235, 331, 410, 470, 662, 1025, 1175, 1655, 1927, 2050, 2350, 3310, 3854, 8275, 9635, 13571, 15557, 16550, 19270, 27142, 31114, 48175, 67855, 77785, 96350, 135710, 155570, 339275, 388925, 637837, 678550, 777850, 1275674, 3189185, 6378370, 15945925, 31891850]

約数ペア:

[(1, 31891850), (2, 15945925), (5, 6378370), (10, 3189185), (25, 1275674), (41, 777850), (47, 678550), (50, 637837), (82, 388925), (94, 339275), (205, 155570), (235, 135710), (331, 96350), (410, 77785), (470, 67855), (662, 48175), (1025, 31114), (1175, 27142), (1655, 19270), (1927, 16550), (2050, 15557), (2350, 13571), (3310, 9635), (3854, 8275)]