78257020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1117}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 171295488

約数和(自身を除く): 93038468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 452, 565, 620, 1117, 1130, 2234, 2260, 3503, 4468, 5585, 7006, 11170, 14012, 17515, 22340, 34627, 35030, 69254, 70060, 126221, 138508, 173135, 252442, 346270, 504884, 631105, 692540, 1262210, 2524420, 3912851, 7825702, 15651404, 19564255, 39128510, 78257020]

約数ペア:

[(1, 78257020), (2, 39128510), (4, 19564255), (5, 15651404), (10, 7825702), (20, 3912851), (31, 2524420), (62, 1262210), (113, 692540), (124, 631105), (155, 504884), (226, 346270), (310, 252442), (452, 173135), (565, 138508), (620, 126221), (1117, 70060), (1130, 69254), (2234, 35030), (2260, 34627), (3503, 22340), (4468, 17515), (5585, 14012), (7006, 11170)]