2080996040

素因数分解:

$2^3\times 5^1\times {\mathrm{6563}}^1\times {\mathrm{7927}}^1$

素因数の和:14501

約数の個数: 32

約数和(自身を含む): 4683545280

約数和(自身を除く): 2602549240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6563, 7927, 13126, 15854, 26252, 31708, 32815, 39635, 52504, 63416, 65630, 79270, 131260, 158540, 262520, 317080, 52024901, 104049802, 208099604, 260124505, 416199208, 520249010, 1040498020, 2080996040]

約数ペア:

[(1, 2080996040), (2, 1040498020), (4, 520249010), (5, 416199208), (8, 260124505), (10, 208099604), (20, 104049802), (40, 52024901), (6563, 317080), (7927, 262520), (13126, 158540), (15854, 131260), (26252, 79270), (31708, 65630), (32815, 63416), (39635, 52504)]