12482440

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 28203480

約数和(自身を除く): 15721040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 997, 1252, 1565, 1994, 2504, 3130, 3988, 4985, 6260, 7976, 9970, 12520, 19940, 39880, 312061, 624122, 1248244, 1560305, 2496488, 3120610, 6241220, 12482440]

約数ペア:

[(1, 12482440), (2, 6241220), (4, 3120610), (5, 2496488), (8, 1560305), (10, 1248244), (20, 624122), (40, 312061), (313, 39880), (626, 19940), (997, 12520), (1252, 9970), (1565, 7976), (1994, 6260), (2504, 4985), (3130, 3988)]