1680852080

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{74771}}^1$

素因数の和:75065

約数の個数: 40

約数和(自身を含む): 3921940944

約数和(自身を除く): 2241088864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 11240, 22480, 74771, 149542, 299084, 373855, 598168, 747710, 1196336, 1495420, 2990840, 5981680, 21010651, 42021302, 84042604, 105053255, 168085208, 210106510, 336170416, 420213020, 840426040, 1680852080]

約数ペア:

[(1, 1680852080), (2, 840426040), (4, 420213020), (5, 336170416), (8, 210106510), (10, 168085208), (16, 105053255), (20, 84042604), (40, 42021302), (80, 21010651), (281, 5981680), (562, 2990840), (1124, 1495420), (1405, 1196336), (2248, 747710), (2810, 598168), (4496, 373855), (5620, 299084), (11240, 149542), (22480, 74771)]