1277736700840

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{75875101}}^1$

素因数の和:75875533

約数の個数: 32

約数和(自身を含む): 2881736373960

約数和(自身を除く): 1603999673120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 75875101, 151750202, 303500404, 379375505, 607000808, 758751010, 1517502020, 3035004040, 31943417521, 63886835042, 127773670084, 159717087605, 255547340168, 319434175210, 638868350420, 1277736700840]

約数ペア:

[(1, 1277736700840), (2, 638868350420), (4, 319434175210), (5, 255547340168), (8, 159717087605), (10, 127773670084), (20, 63886835042), (40, 31943417521), (421, 3035004040), (842, 1517502020), (1684, 758751010), (2105, 607000808), (3368, 379375505), (4210, 303500404), (8420, 151750202), (16840, 75875101)]