1813303960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3487123}}^1$

素因数の和:3487147

約数の個数: 32

約数和(自身を含む): 4393776240

約数和(自身を除く): 2580472280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3487123, 6974246, 13948492, 17435615, 27896984, 34871230, 45332599, 69742460, 90665198, 139484920, 181330396, 226662995, 362660792, 453325990, 906651980, 1813303960]

約数ペア:

[(1, 1813303960), (2, 906651980), (4, 453325990), (5, 362660792), (8, 226662995), (10, 181330396), (13, 139484920), (20, 90665198), (26, 69742460), (40, 45332599), (52, 34871230), (65, 27896984), (104, 17435615), (130, 13948492), (260, 6974246), (520, 3487123)]