2017012840

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{26951}}^1$

素因数の和:28833

約数の個数: 32

約数和(自身を含む): 4540872960

約数和(自身を除く): 2523860120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 3742, 7484, 9355, 14968, 18710, 26951, 37420, 53902, 74840, 107804, 134755, 215608, 269510, 539020, 1078040, 50425321, 100850642, 201701284, 252126605, 403402568, 504253210, 1008506420, 2017012840]

約数ペア:

[(1, 2017012840), (2, 1008506420), (4, 504253210), (5, 403402568), (8, 252126605), (10, 201701284), (20, 100850642), (40, 50425321), (1871, 1078040), (3742, 539020), (7484, 269510), (9355, 215608), (14968, 134755), (18710, 107804), (26951, 74840), (37420, 53902)]