65166140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{953}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 148091328

約数和(自身を除く): 82925188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 953, 1052, 1315, 1906, 2630, 3419, 3812, 4765, 5260, 6838, 9530, 12389, 13676, 17095, 19060, 24778, 34190, 49556, 61945, 68380, 123890, 247780, 250639, 501278, 1002556, 1253195, 2506390, 3258307, 5012780, 6516614, 13033228, 16291535, 32583070, 65166140]

約数ペア:

[(1, 65166140), (2, 32583070), (4, 16291535), (5, 13033228), (10, 6516614), (13, 5012780), (20, 3258307), (26, 2506390), (52, 1253195), (65, 1002556), (130, 501278), (260, 250639), (263, 247780), (526, 123890), (953, 68380), (1052, 61945), (1315, 49556), (1906, 34190), (2630, 24778), (3419, 19060), (3812, 17095), (4765, 13676), (5260, 12389), (6838, 9530)]