2023686920

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{130057}}^1$

素因数の和:130457

約数の個数: 32

約数和(自身を含む): 4565035800

約数和(自身を除く): 2541348880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 130057, 260114, 520228, 650285, 1040456, 1300570, 2601140, 5202280, 50592173, 101184346, 202368692, 252960865, 404737384, 505921730, 1011843460, 2023686920]

約数ペア:

[(1, 2023686920), (2, 1011843460), (4, 505921730), (5, 404737384), (8, 252960865), (10, 202368692), (20, 101184346), (40, 50592173), (389, 5202280), (778, 2601140), (1556, 1300570), (1945, 1040456), (3112, 650285), (3890, 520228), (7780, 260114), (15560, 130057)]