28769620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 66298176

約数和(自身を除く): 37528556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 521, 1004, 1042, 1255, 2084, 2510, 2605, 2761, 5020, 5210, 5522, 5731, 10420, 11044, 11462, 13805, 22924, 27610, 28655, 55220, 57310, 114620, 130771, 261542, 523084, 653855, 1307710, 1438481, 2615420, 2876962, 5753924, 7192405, 14384810, 28769620]

約数ペア:

[(1, 28769620), (2, 14384810), (4, 7192405), (5, 5753924), (10, 2876962), (11, 2615420), (20, 1438481), (22, 1307710), (44, 653855), (55, 523084), (110, 261542), (220, 130771), (251, 114620), (502, 57310), (521, 55220), (1004, 28655), (1042, 27610), (1255, 22924), (2084, 13805), (2510, 11462), (2605, 11044), (2761, 10420), (5020, 5731), (5210, 5522)]