55999880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10687}}^1$

素因数の和:10829

約数の個数: 32

約数和(自身を含む): 126973440

約数和(自身を除く): 70973560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 10687, 21374, 42748, 53435, 85496, 106870, 213740, 427480, 1399997, 2799994, 5599988, 6999985, 11199976, 13999970, 27999940, 55999880]

約数ペア:

[(1, 55999880), (2, 27999940), (4, 13999970), (5, 11199976), (8, 6999985), (10, 5599988), (20, 2799994), (40, 1399997), (131, 427480), (262, 213740), (524, 106870), (655, 85496), (1048, 53435), (1310, 42748), (2620, 21374), (5240, 10687)]