1252862420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1\times {\mathrm{1861}}^1$

素因数の和:2732

約数の個数: 48

約数和(自身を含む): 2699914896

約数和(自身を除く): 1447052476

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 821, 1642, 1861, 3284, 3722, 4105, 7444, 8210, 9305, 16420, 18610, 33661, 37220, 67322, 76301, 134644, 152602, 168305, 305204, 336610, 381505, 673220, 763010, 1526020, 1527881, 3055762, 6111524, 7639405, 15278810, 30557620, 62643121, 125286242, 250572484, 313215605, 626431210, 1252862420]

約数ペア:

[(1, 1252862420), (2, 626431210), (4, 313215605), (5, 250572484), (10, 125286242), (20, 62643121), (41, 30557620), (82, 15278810), (164, 7639405), (205, 6111524), (410, 3055762), (820, 1527881), (821, 1526020), (1642, 763010), (1861, 673220), (3284, 381505), (3722, 336610), (4105, 305204), (7444, 168305), (8210, 152602), (9305, 134644), (16420, 76301), (18610, 67322), (33661, 37220)]