4919920

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 11584080

約数和(自身を除く): 6664160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 691, 712, 890, 1382, 1424, 1780, 2764, 3455, 3560, 5528, 6910, 7120, 11056, 13820, 27640, 55280, 61499, 122998, 245996, 307495, 491992, 614990, 983984, 1229980, 2459960, 4919920]

約数ペア:

[(1, 4919920), (2, 2459960), (4, 1229980), (5, 983984), (8, 614990), (10, 491992), (16, 307495), (20, 245996), (40, 122998), (80, 61499), (89, 55280), (178, 27640), (356, 13820), (445, 11056), (691, 7120), (712, 6910), (890, 5528), (1382, 3560), (1424, 3455), (1780, 2764)]