16723880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13487}}^1$

素因数の和:13529

約数の個数: 32

約数和(自身を含む): 38845440

約数和(自身を除く): 22121560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13487, 26974, 53948, 67435, 107896, 134870, 269740, 418097, 539480, 836194, 1672388, 2090485, 3344776, 4180970, 8361940, 16723880]

約数ペア:

[(1, 16723880), (2, 8361940), (4, 4180970), (5, 3344776), (8, 2090485), (10, 1672388), (20, 836194), (31, 539480), (40, 418097), (62, 269740), (124, 134870), (155, 107896), (248, 67435), (310, 53948), (620, 26974), (1240, 13487)]