65681140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7691}}^1$

素因数の和:7768

約数の個数: 48

約数和(自身を含む): 160239744

約数和(自身を除く): 94558604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 7691, 8540, 15382, 30764, 38455, 53837, 76910, 107674, 153820, 215348, 269185, 469151, 538370, 938302, 1076740, 1876604, 2345755, 3284057, 4691510, 6568114, 9383020, 13136228, 16420285, 32840570, 65681140]

約数ペア:

[(1, 65681140), (2, 32840570), (4, 16420285), (5, 13136228), (7, 9383020), (10, 6568114), (14, 4691510), (20, 3284057), (28, 2345755), (35, 1876604), (61, 1076740), (70, 938302), (122, 538370), (140, 469151), (244, 269185), (305, 215348), (427, 153820), (610, 107674), (854, 76910), (1220, 53837), (1708, 38455), (2135, 30764), (4270, 15382), (7691, 8540)]