1990064

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2108

約数の個数: 20

約数和(自身を含む): 3920880

約数和(自身を除く): 1930816

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 2039, 4078, 8156, 16312, 32624, 124379, 248758, 497516, 995032, 1990064]

約数ペア:

[(1, 1990064), (2, 995032), (4, 497516), (8, 248758), (16, 124379), (61, 32624), (122, 16312), (244, 8156), (488, 4078), (976, 2039)]