87697820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8581}}^1$

素因数の和:8670

約数の個数: 48

約数和(自身を含む): 213382848

約数和(自身を除く): 125685028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 8581, 10220, 17162, 34324, 42905, 60067, 85810, 120134, 171620, 240268, 300335, 600670, 626413, 1201340, 1252826, 2505652, 3132065, 4384891, 6264130, 8769782, 12528260, 17539564, 21924455, 43848910, 87697820]

約数ペア:

[(1, 87697820), (2, 43848910), (4, 21924455), (5, 17539564), (7, 12528260), (10, 8769782), (14, 6264130), (20, 4384891), (28, 3132065), (35, 2505652), (70, 1252826), (73, 1201340), (140, 626413), (146, 600670), (292, 300335), (365, 240268), (511, 171620), (730, 120134), (1022, 85810), (1460, 60067), (2044, 42905), (2555, 34324), (5110, 17162), (8581, 10220)]