87415240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18061}}^1$

素因数の和:18094

約数の個数: 48

約数和(自身を含む): 216202140

約数和(自身を除く): 128786900

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 18061, 36122, 72244, 90305, 144488, 180610, 198671, 361220, 397342, 722440, 794684, 993355, 1589368, 1986710, 2185381, 3973420, 4370762, 7946840, 8741524, 10926905, 17483048, 21853810, 43707620, 87415240]

約数ペア:

[(1, 87415240), (2, 43707620), (4, 21853810), (5, 17483048), (8, 10926905), (10, 8741524), (11, 7946840), (20, 4370762), (22, 3973420), (40, 2185381), (44, 1986710), (55, 1589368), (88, 993355), (110, 794684), (121, 722440), (220, 397342), (242, 361220), (440, 198671), (484, 180610), (605, 144488), (968, 90305), (1210, 72244), (2420, 36122), (4840, 18061)]