27800870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67807}}^1$

素因数の和:67855

約数の個数: 16

約数和(自身を含む): 51262848

約数和(自身を除く): 23461978

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 67807, 135614, 339035, 678070, 2780087, 5560174, 13900435, 27800870]

約数ペア:

[(1, 27800870), (2, 13900435), (5, 5560174), (10, 2780087), (41, 678070), (82, 339035), (205, 135614), (410, 67807)]