99417680

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2531}}^1$

素因数の和:3035

約数の個数: 40

約数和(自身を含む): 231708384

約数和(自身を除く): 132290704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 2531, 3928, 4910, 5062, 7856, 9820, 10124, 12655, 19640, 20248, 25310, 39280, 40496, 50620, 101240, 202480, 1242721, 2485442, 4970884, 6213605, 9941768, 12427210, 19883536, 24854420, 49708840, 99417680]

約数ペア:

[(1, 99417680), (2, 49708840), (4, 24854420), (5, 19883536), (8, 12427210), (10, 9941768), (16, 6213605), (20, 4970884), (40, 2485442), (80, 1242721), (491, 202480), (982, 101240), (1964, 50620), (2455, 40496), (2531, 39280), (3928, 25310), (4910, 20248), (5062, 19640), (7856, 12655), (9820, 10124)]