2459960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 5605200

約数和(自身を除く): 3145240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 691, 712, 890, 1382, 1780, 2764, 3455, 3560, 5528, 6910, 13820, 27640, 61499, 122998, 245996, 307495, 491992, 614990, 1229980, 2459960]

約数ペア:

[(1, 2459960), (2, 1229980), (4, 614990), (5, 491992), (8, 307495), (10, 245996), (20, 122998), (40, 61499), (89, 27640), (178, 13820), (356, 6910), (445, 5528), (691, 3560), (712, 3455), (890, 2764), (1382, 1780)]