64537160

素因数分解:

$2^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1693}}^1$

素因数の和:2657

約数の個数: 32

約数和(自身を含む): 145446840

約数和(自身を除く): 80909680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 953, 1693, 1906, 3386, 3812, 4765, 6772, 7624, 8465, 9530, 13544, 16930, 19060, 33860, 38120, 67720, 1613429, 3226858, 6453716, 8067145, 12907432, 16134290, 32268580, 64537160]

約数ペア:

[(1, 64537160), (2, 32268580), (4, 16134290), (5, 12907432), (8, 8067145), (10, 6453716), (20, 3226858), (40, 1613429), (953, 67720), (1693, 38120), (1906, 33860), (3386, 19060), (3812, 16930), (4765, 13544), (6772, 9530), (7624, 8465)]