40497970

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^2\times {\mathrm{397}}^1$

素因数の和:606

約数の個数: 24

約数和(自身を含む): 73810692

約数和(自身を除く): 33312722

約数列:

[1, 2, 5, 10, 101, 202, 397, 505, 794, 1010, 1985, 3970, 10201, 20402, 40097, 51005, 80194, 102010, 200485, 400970, 4049797, 8099594, 20248985, 40497970]

約数ペア:

[(1, 40497970), (2, 20248985), (5, 8099594), (10, 4049797), (101, 400970), (202, 200485), (397, 102010), (505, 80194), (794, 51005), (1010, 40097), (1985, 20402), (3970, 10201)]