9690040

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1543}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 21955680

約数和(自身を除く): 12265640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1543, 1570, 3086, 3140, 6172, 6280, 7715, 12344, 15430, 30860, 61720, 242251, 484502, 969004, 1211255, 1938008, 2422510, 4845020, 9690040]

約数ペア:

[(1, 9690040), (2, 4845020), (4, 2422510), (5, 1938008), (8, 1211255), (10, 969004), (20, 484502), (40, 242251), (157, 61720), (314, 30860), (628, 15430), (785, 12344), (1256, 7715), (1543, 6280), (1570, 6172), (3086, 3140)]