38533160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{521}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 88933140

約数和(自身を除く): 50399980

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 521, 860, 1042, 1720, 1849, 2084, 2605, 3698, 4168, 5210, 7396, 9245, 10420, 14792, 18490, 20840, 22403, 36980, 44806, 73960, 89612, 112015, 179224, 224030, 448060, 896120, 963329, 1926658, 3853316, 4816645, 7706632, 9633290, 19266580, 38533160]

約数ペア:

[(1, 38533160), (2, 19266580), (4, 9633290), (5, 7706632), (8, 4816645), (10, 3853316), (20, 1926658), (40, 963329), (43, 896120), (86, 448060), (172, 224030), (215, 179224), (344, 112015), (430, 89612), (521, 73960), (860, 44806), (1042, 36980), (1720, 22403), (1849, 20840), (2084, 18490), (2605, 14792), (3698, 10420), (4168, 9245), (5210, 7396)]