39663080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 91215180

約数和(自身を除く): 51552100

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 353, 424, 530, 706, 1060, 1412, 1765, 2120, 2809, 2824, 3530, 5618, 7060, 11236, 14045, 14120, 18709, 22472, 28090, 37418, 56180, 74836, 93545, 112360, 149672, 187090, 374180, 748360, 991577, 1983154, 3966308, 4957885, 7932616, 9915770, 19831540, 39663080]

約数ペア:

[(1, 39663080), (2, 19831540), (4, 9915770), (5, 7932616), (8, 4957885), (10, 3966308), (20, 1983154), (40, 991577), (53, 748360), (106, 374180), (212, 187090), (265, 149672), (353, 112360), (424, 93545), (530, 74836), (706, 56180), (1060, 37418), (1412, 28090), (1765, 22472), (2120, 18709), (2809, 14120), (2824, 14045), (3530, 11236), (5618, 7060)]