8120420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5273}}^1$

素因数の和:5300

約数の個数: 48

約数和(自身を含む): 21264768

約数和(自身を除く): 13144348

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5273, 10546, 21092, 26365, 36911, 52730, 58003, 73822, 105460, 116006, 147644, 184555, 232012, 290015, 369110, 406021, 580030, 738220, 812042, 1160060, 1624084, 2030105, 4060210, 8120420]

約数ペア:

[(1, 8120420), (2, 4060210), (4, 2030105), (5, 1624084), (7, 1160060), (10, 812042), (11, 738220), (14, 580030), (20, 406021), (22, 369110), (28, 290015), (35, 232012), (44, 184555), (55, 147644), (70, 116006), (77, 105460), (110, 73822), (140, 58003), (154, 52730), (220, 36911), (308, 26365), (385, 21092), (770, 10546), (1540, 5273)]