88165640

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4909}}^1$

素因数の和:5369

約数の個数: 32

約数和(自身を含む): 198855000

約数和(自身を除く): 110689360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 4909, 8980, 9818, 17960, 19636, 24545, 39272, 49090, 98180, 196360, 2204141, 4408282, 8816564, 11020705, 17633128, 22041410, 44082820, 88165640]

約数ペア:

[(1, 88165640), (2, 44082820), (4, 22041410), (5, 17633128), (8, 11020705), (10, 8816564), (20, 4408282), (40, 2204141), (449, 196360), (898, 98180), (1796, 49090), (2245, 39272), (3592, 24545), (4490, 19636), (4909, 17960), (8980, 9818)]