125302960

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1571}}^1$

素因数の和:2581

約数の個数: 40

約数和(自身を含む): 291807216

約数和(自身を除く): 166504256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1571, 1994, 3142, 3988, 4985, 6284, 7855, 7976, 9970, 12568, 15710, 15952, 19940, 25136, 31420, 39880, 62840, 79760, 125680, 1566287, 3132574, 6265148, 7831435, 12530296, 15662870, 25060592, 31325740, 62651480, 125302960]

約数ペア:

[(1, 125302960), (2, 62651480), (4, 31325740), (5, 25060592), (8, 15662870), (10, 12530296), (16, 7831435), (20, 6265148), (40, 3132574), (80, 1566287), (997, 125680), (1571, 79760), (1994, 62840), (3142, 39880), (3988, 31420), (4985, 25136), (6284, 19940), (7855, 15952), (7976, 15710), (9970, 12568)]