79888820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1721}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 183992256

約数和(自身を除く): 104103436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 1721, 2110, 2321, 3442, 4220, 4642, 6884, 8605, 9284, 11605, 17210, 18931, 23210, 34420, 37862, 46420, 75724, 94655, 189310, 363131, 378620, 726262, 1452524, 1815655, 3631310, 3994441, 7262620, 7988882, 15977764, 19972205, 39944410, 79888820]

約数ペア:

[(1, 79888820), (2, 39944410), (4, 19972205), (5, 15977764), (10, 7988882), (11, 7262620), (20, 3994441), (22, 3631310), (44, 1815655), (55, 1452524), (110, 726262), (211, 378620), (220, 363131), (422, 189310), (844, 94655), (1055, 75724), (1721, 46420), (2110, 37862), (2321, 34420), (3442, 23210), (4220, 18931), (4642, 17210), (6884, 11605), (8605, 9284)]