31422280

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1063}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 70862400

約数和(自身を除く): 39440120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1063, 1478, 2126, 2956, 3695, 4252, 5315, 5912, 7390, 8504, 10630, 14780, 21260, 29560, 42520, 785557, 1571114, 3142228, 3927785, 6284456, 7855570, 15711140, 31422280]

約数ペア:

[(1, 31422280), (2, 15711140), (4, 7855570), (5, 6284456), (8, 3927785), (10, 3142228), (20, 1571114), (40, 785557), (739, 42520), (1063, 29560), (1478, 21260), (2126, 14780), (2956, 10630), (3695, 8504), (4252, 7390), (5315, 5912)]