13268420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 31159296

約数和(自身を除く): 17890876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1471, 1804, 2255, 2942, 4510, 5884, 7355, 9020, 14710, 16181, 29420, 32362, 60311, 64724, 80905, 120622, 161810, 241244, 301555, 323620, 603110, 663421, 1206220, 1326842, 2653684, 3317105, 6634210, 13268420]

約数ペア:

[(1, 13268420), (2, 6634210), (4, 3317105), (5, 2653684), (10, 1326842), (11, 1206220), (20, 663421), (22, 603110), (41, 323620), (44, 301555), (55, 241244), (82, 161810), (110, 120622), (164, 80905), (205, 64724), (220, 60311), (410, 32362), (451, 29420), (820, 16181), (902, 14710), (1471, 9020), (1804, 7355), (2255, 5884), (2942, 4510)]