69788560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21277}}^1$

素因数の和:21331

約数の個数: 40

約数和(自身を含む): 166223736

約数和(自身を除く): 96435176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21277, 42554, 85108, 106385, 170216, 212770, 340432, 425540, 851080, 872357, 1702160, 1744714, 3489428, 4361785, 6978856, 8723570, 13957712, 17447140, 34894280, 69788560]

約数ペア:

[(1, 69788560), (2, 34894280), (4, 17447140), (5, 13957712), (8, 8723570), (10, 6978856), (16, 4361785), (20, 3489428), (40, 1744714), (41, 1702160), (80, 872357), (82, 851080), (164, 425540), (205, 340432), (328, 212770), (410, 170216), (656, 106385), (820, 85108), (1640, 42554), (3280, 21277)]