20180212160

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1189871}}^1$

素因数の和:1189941

約数の個数: 56

約数和(自身を含む): 48960853056

約数和(自身を除く): 28780640896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 8480, 16960, 1189871, 2379742, 4759484, 5949355, 9518968, 11898710, 19037936, 23797420, 38075872, 47594840, 63063163, 76151744, 95189680, 126126326, 190379360, 252252652, 315315815, 380758720, 504505304, 630631630, 1009010608, 1261263260, 2018021216, 2522526520, 4036042432, 5045053040, 10090106080, 20180212160]

約数ペア:

[(1, 20180212160), (2, 10090106080), (4, 5045053040), (5, 4036042432), (8, 2522526520), (10, 2018021216), (16, 1261263260), (20, 1009010608), (32, 630631630), (40, 504505304), (53, 380758720), (64, 315315815), (80, 252252652), (106, 190379360), (160, 126126326), (212, 95189680), (265, 76151744), (320, 63063163), (424, 47594840), (530, 38075872), (848, 23797420), (1060, 19037936), (1696, 11898710), (2120, 9518968), (3392, 5949355), (4240, 4759484), (8480, 2379742), (16960, 1189871)]