127679740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{155707}}^1$

素因数の和:155757

約数の個数: 24

約数和(自身を含む): 274668912

約数和(自身を除く): 146989172

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 155707, 311414, 622828, 778535, 1557070, 3114140, 6383987, 12767974, 25535948, 31919935, 63839870, 127679740]

約数ペア:

[(1, 127679740), (2, 63839870), (4, 31919935), (5, 25535948), (10, 12767974), (20, 6383987), (41, 3114140), (82, 1557070), (164, 778535), (205, 622828), (410, 311414), (820, 155707)]