1381360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 3321216

約数和(自身を除く): 1939856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 557, 620, 1114, 1240, 2228, 2480, 2785, 4456, 5570, 8912, 11140, 17267, 22280, 34534, 44560, 69068, 86335, 138136, 172670, 276272, 345340, 690680, 1381360]

約数ペア:

[(1, 1381360), (2, 690680), (4, 345340), (5, 276272), (8, 172670), (10, 138136), (16, 86335), (20, 69068), (31, 44560), (40, 34534), (62, 22280), (80, 17267), (124, 11140), (155, 8912), (248, 5570), (310, 4456), (496, 2785), (557, 2480), (620, 2228), (1114, 1240)]