90418120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4241}}^1$

素因数の和:4306

約数の個数: 64

約数和(自身を含む): 224486640

約数和(自身を除く): 134068520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4241, 4264, 5330, 8482, 10660, 16964, 21205, 21320, 33928, 42410, 55133, 84820, 110266, 169640, 173881, 220532, 275665, 347762, 441064, 551330, 695524, 869405, 1102660, 1391048, 1738810, 2205320, 2260453, 3477620, 4520906, 6955240, 9041812, 11302265, 18083624, 22604530, 45209060, 90418120]

約数ペア:

[(1, 90418120), (2, 45209060), (4, 22604530), (5, 18083624), (8, 11302265), (10, 9041812), (13, 6955240), (20, 4520906), (26, 3477620), (40, 2260453), (41, 2205320), (52, 1738810), (65, 1391048), (82, 1102660), (104, 869405), (130, 695524), (164, 551330), (205, 441064), (260, 347762), (328, 275665), (410, 220532), (520, 173881), (533, 169640), (820, 110266), (1066, 84820), (1640, 55133), (2132, 42410), (2665, 33928), (4241, 21320), (4264, 21205), (5330, 16964), (8482, 10660)]