828139460

素因数分解:

$2^2\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{19727}}^1$

素因数の和:21835

約数の個数: 24

約数和(自身を含む): 1740009600

約数和(自身を除く): 911870140

約数列:

[1, 2, 4, 5, 10, 20, 2099, 4198, 8396, 10495, 19727, 20990, 39454, 41980, 78908, 98635, 197270, 394540, 41406973, 82813946, 165627892, 207034865, 414069730, 828139460]

約数ペア:

[(1, 828139460), (2, 414069730), (4, 207034865), (5, 165627892), (10, 82813946), (20, 41406973), (2099, 394540), (4198, 197270), (8396, 98635), (10495, 78908), (19727, 41980), (20990, 39454)]