42665661680

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1611241}}^1$

素因数の和:1611585

約数の個数: 40

約数和(自身を含む): 99497415984

約数和(自身を除く): 56831754304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 13240, 26480, 1611241, 3222482, 6444964, 8056205, 12889928, 16112410, 25779856, 32224820, 64449640, 128899280, 533320771, 1066641542, 2133283084, 2666603855, 4266566168, 5333207710, 8533132336, 10666415420, 21332830840, 42665661680]

約数ペア:

[(1, 42665661680), (2, 21332830840), (4, 10666415420), (5, 8533132336), (8, 5333207710), (10, 4266566168), (16, 2666603855), (20, 2133283084), (40, 1066641542), (80, 533320771), (331, 128899280), (662, 64449640), (1324, 32224820), (1655, 25779856), (2648, 16112410), (3310, 12889928), (5296, 8056205), (6620, 6444964), (13240, 3222482), (26480, 1611241)]