13856780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3413}}^1$

素因数の和:3458

約数の個数: 48

約数和(自身を含む): 34413120

約数和(自身を除く): 20556340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3413, 4060, 6826, 13652, 17065, 23891, 34130, 47782, 68260, 95564, 98977, 119455, 197954, 238910, 395908, 477820, 494885, 692839, 989770, 1385678, 1979540, 2771356, 3464195, 6928390, 13856780]

約数ペア:

[(1, 13856780), (2, 6928390), (4, 3464195), (5, 2771356), (7, 1979540), (10, 1385678), (14, 989770), (20, 692839), (28, 494885), (29, 477820), (35, 395908), (58, 238910), (70, 197954), (116, 119455), (140, 98977), (145, 95564), (203, 68260), (290, 47782), (406, 34130), (580, 23891), (812, 17065), (1015, 13652), (2030, 6826), (3413, 4060)]