39857480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76649}}^1$

素因数の和:76673

約数の個数: 32

約数和(自身を含む): 96579000

約数和(自身を除く): 56721520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 76649, 153298, 306596, 383245, 613192, 766490, 996437, 1532980, 1992874, 3065960, 3985748, 4982185, 7971496, 9964370, 19928740, 39857480]

約数ペア:

[(1, 39857480), (2, 19928740), (4, 9964370), (5, 7971496), (8, 4982185), (10, 3985748), (13, 3065960), (20, 1992874), (26, 1532980), (40, 996437), (52, 766490), (65, 613192), (104, 383245), (130, 306596), (260, 153298), (520, 76649)]