80570260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1423}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 179424000

約数和(自身を除く): 98853740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1423, 1490, 2831, 2846, 2980, 5662, 5692, 7115, 11324, 14155, 14230, 27037, 28310, 28460, 54074, 56620, 108148, 135185, 212027, 270370, 424054, 540740, 848108, 1060135, 2120270, 4028513, 4240540, 8057026, 16114052, 20142565, 40285130, 80570260]

約数ペア:

[(1, 80570260), (2, 40285130), (4, 20142565), (5, 16114052), (10, 8057026), (19, 4240540), (20, 4028513), (38, 2120270), (76, 1060135), (95, 848108), (149, 540740), (190, 424054), (298, 270370), (380, 212027), (596, 135185), (745, 108148), (1423, 56620), (1490, 54074), (2831, 28460), (2846, 28310), (2980, 27037), (5662, 14230), (5692, 14155), (7115, 11324)]