40443980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 88845120

約数和(自身を除く): 48401140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 290, 412, 515, 580, 677, 1030, 1354, 2060, 2708, 2987, 3385, 5974, 6770, 11948, 13540, 14935, 19633, 29870, 39266, 59740, 69731, 78532, 98165, 139462, 196330, 278924, 348655, 392660, 697310, 1394620, 2022199, 4044398, 8088796, 10110995, 20221990, 40443980]

約数ペア:

[(1, 40443980), (2, 20221990), (4, 10110995), (5, 8088796), (10, 4044398), (20, 2022199), (29, 1394620), (58, 697310), (103, 392660), (116, 348655), (145, 278924), (206, 196330), (290, 139462), (412, 98165), (515, 78532), (580, 69731), (677, 59740), (1030, 39266), (1354, 29870), (2060, 19633), (2708, 14935), (2987, 13540), (3385, 11948), (5974, 6770)]