4995640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 12187800

約数和(自身を除く): 7192160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 739, 845, 1352, 1478, 1690, 2956, 3380, 3695, 5912, 6760, 7390, 9607, 14780, 19214, 29560, 38428, 48035, 76856, 96070, 124891, 192140, 249782, 384280, 499564, 624455, 999128, 1248910, 2497820, 4995640]

約数ペア:

[(1, 4995640), (2, 2497820), (4, 1248910), (5, 999128), (8, 624455), (10, 499564), (13, 384280), (20, 249782), (26, 192140), (40, 124891), (52, 96070), (65, 76856), (104, 48035), (130, 38428), (169, 29560), (260, 19214), (338, 14780), (520, 9607), (676, 7390), (739, 6760), (845, 5912), (1352, 3695), (1478, 3380), (1690, 2956)]