73770040

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1861}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 166239360

約数和(自身を除く): 92469320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1861, 1982, 3722, 3964, 4955, 7444, 7928, 9305, 9910, 14888, 18610, 19820, 37220, 39640, 74440, 1844251, 3688502, 7377004, 9221255, 14754008, 18442510, 36885020, 73770040]

約数ペア:

[(1, 73770040), (2, 36885020), (4, 18442510), (5, 14754008), (8, 9221255), (10, 7377004), (20, 3688502), (40, 1844251), (991, 74440), (1861, 39640), (1982, 37220), (3722, 19820), (3964, 18610), (4955, 14888), (7444, 9910), (7928, 9305)]