80496020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21523}}^1$

素因数の和:21560

約数の個数: 48

約数和(自身を含む): 195265728

約数和(自身を除く): 114769708

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 21523, 43046, 86092, 107615, 215230, 236753, 365891, 430460, 473506, 731782, 947012, 1183765, 1463564, 1829455, 2367530, 3658910, 4024801, 4735060, 7317820, 8049602, 16099204, 20124005, 40248010, 80496020]

約数ペア:

[(1, 80496020), (2, 40248010), (4, 20124005), (5, 16099204), (10, 8049602), (11, 7317820), (17, 4735060), (20, 4024801), (22, 3658910), (34, 2367530), (44, 1829455), (55, 1463564), (68, 1183765), (85, 947012), (110, 731782), (170, 473506), (187, 430460), (220, 365891), (340, 236753), (374, 215230), (748, 107615), (935, 86092), (1870, 43046), (3740, 21523)]