2113640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 4850280

約数和(自身を除く): 2736640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 997, 1060, 1994, 2120, 3988, 4985, 7976, 9970, 19940, 39880, 52841, 105682, 211364, 264205, 422728, 528410, 1056820, 2113640]

約数ペア:

[(1, 2113640), (2, 1056820), (4, 528410), (5, 422728), (8, 264205), (10, 211364), (20, 105682), (40, 52841), (53, 39880), (106, 19940), (212, 9970), (265, 7976), (424, 4985), (530, 3988), (997, 2120), (1060, 1994)]