40392940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9949}}^1$

素因数の和:9994

約数の個数: 48

約数和(自身を含む): 100296000

約数和(自身を除く): 59903060

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, 4060, 9949, 19898, 39796, 49745, 69643, 99490, 139286, 198980, 278572, 288521, 348215, 577042, 696430, 1154084, 1392860, 1442605, 2019647, 2885210, 4039294, 5770420, 8078588, 10098235, 20196470, 40392940]

約数ペア:

[(1, 40392940), (2, 20196470), (4, 10098235), (5, 8078588), (7, 5770420), (10, 4039294), (14, 2885210), (20, 2019647), (28, 1442605), (29, 1392860), (35, 1154084), (58, 696430), (70, 577042), (116, 348215), (140, 288521), (145, 278572), (203, 198980), (290, 139286), (406, 99490), (580, 69643), (812, 49745), (1015, 39796), (2030, 19898), (4060, 9949)]