8361940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13487}}^1$

素因数の和:13527

約数の個数: 24

約数和(自身を含む): 18127872

約数和(自身を除く): 9765932

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13487, 26974, 53948, 67435, 134870, 269740, 418097, 836194, 1672388, 2090485, 4180970, 8361940]

約数ペア:

[(1, 8361940), (2, 4180970), (4, 2090485), (5, 1672388), (10, 836194), (20, 418097), (31, 269740), (62, 134870), (124, 67435), (155, 53948), (310, 26974), (620, 13487)]