51861140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 113218560

約数和(自身を除く): 61357420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 233, 310, 359, 466, 620, 718, 932, 1165, 1436, 1795, 2330, 3590, 4660, 7180, 7223, 11129, 14446, 22258, 28892, 36115, 44516, 55645, 72230, 83647, 111290, 144460, 167294, 222580, 334588, 418235, 836470, 1672940, 2593057, 5186114, 10372228, 12965285, 25930570, 51861140]

約数ペア:

[(1, 51861140), (2, 25930570), (4, 12965285), (5, 10372228), (10, 5186114), (20, 2593057), (31, 1672940), (62, 836470), (124, 418235), (155, 334588), (233, 222580), (310, 167294), (359, 144460), (466, 111290), (620, 83647), (718, 72230), (932, 55645), (1165, 44516), (1436, 36115), (1795, 28892), (2330, 22258), (3590, 14446), (4660, 11129), (7180, 7223)]