8123440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 20811168

約数和(自身を除く): 12687728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 107, 130, 146, 208, 214, 260, 292, 365, 428, 520, 535, 584, 730, 856, 949, 1040, 1070, 1168, 1391, 1460, 1712, 1898, 2140, 2782, 2920, 3796, 4280, 4745, 5564, 5840, 6955, 7592, 7811, 8560, 9490, 11128, 13910, 15184, 15622, 18980, 22256, 27820, 31244, 37960, 39055, 55640, 62488, 75920, 78110, 101543, 111280, 124976, 156220, 203086, 312440, 406172, 507715, 624880, 812344, 1015430, 1624688, 2030860, 4061720, 8123440]

約数ペア:

[(1, 8123440), (2, 4061720), (4, 2030860), (5, 1624688), (8, 1015430), (10, 812344), (13, 624880), (16, 507715), (20, 406172), (26, 312440), (40, 203086), (52, 156220), (65, 124976), (73, 111280), (80, 101543), (104, 78110), (107, 75920), (130, 62488), (146, 55640), (208, 39055), (214, 37960), (260, 31244), (292, 27820), (365, 22256), (428, 18980), (520, 15622), (535, 15184), (584, 13910), (730, 11128), (856, 9490), (949, 8560), (1040, 7811), (1070, 7592), (1168, 6955), (1391, 5840), (1460, 5564), (1712, 4745), (1898, 4280), (2140, 3796), (2782, 2920)]