200657680

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2531}}^1$

素因数の和:3535

約数の個数: 40

約数和(自身を含む): 467184384

約数和(自身を除く): 266526704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1982, 2531, 3964, 4955, 5062, 7928, 9910, 10124, 12655, 15856, 19820, 20248, 25310, 39640, 40496, 50620, 79280, 101240, 202480, 2508221, 5016442, 10032884, 12541105, 20065768, 25082210, 40131536, 50164420, 100328840, 200657680]

約数ペア:

[(1, 200657680), (2, 100328840), (4, 50164420), (5, 40131536), (8, 25082210), (10, 20065768), (16, 12541105), (20, 10032884), (40, 5016442), (80, 2508221), (991, 202480), (1982, 101240), (2531, 79280), (3964, 50620), (4955, 40496), (5062, 39640), (7928, 25310), (9910, 20248), (10124, 19820), (12655, 15856)]