81575632

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1009}}^1$

素因数の和:1211

約数の個数: 40

約数和(自身を含む): 164314880

約数和(自身を除く): 82739248

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 163, 248, 326, 496, 652, 1009, 1304, 2018, 2608, 4036, 5053, 8072, 10106, 16144, 20212, 31279, 40424, 62558, 80848, 125116, 164467, 250232, 328934, 500464, 657868, 1315736, 2631472, 5098477, 10196954, 20393908, 40787816, 81575632]

約数ペア:

[(1, 81575632), (2, 40787816), (4, 20393908), (8, 10196954), (16, 5098477), (31, 2631472), (62, 1315736), (124, 657868), (163, 500464), (248, 328934), (326, 250232), (496, 164467), (652, 125116), (1009, 80848), (1304, 62558), (2018, 40424), (2608, 31279), (4036, 20212), (5053, 16144), (8072, 10106)]