42855620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2072

約数の個数: 48

約数和(自身を含む): 95664240

約数和(自身を除く): 52808620

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 1997, 2146, 3994, 4292, 5365, 7988, 9985, 10730, 19970, 21460, 39940, 57913, 73889, 115826, 147778, 231652, 289565, 295556, 369445, 579130, 738890, 1158260, 1477780, 2142781, 4285562, 8571124, 10713905, 21427810, 42855620]

約数ペア:

[(1, 42855620), (2, 21427810), (4, 10713905), (5, 8571124), (10, 4285562), (20, 2142781), (29, 1477780), (37, 1158260), (58, 738890), (74, 579130), (116, 369445), (145, 295556), (148, 289565), (185, 231652), (290, 147778), (370, 115826), (580, 73889), (740, 57913), (1073, 39940), (1997, 21460), (2146, 19970), (3994, 10730), (4292, 9985), (5365, 7988)]