8980804960

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{199751}}^1$

素因数の和:200047

約数の個数: 48

約数和(自身を含む): 21292764192

約数和(自身を除く): 12311959232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 8992, 11240, 22480, 44960, 199751, 399502, 799004, 998755, 1598008, 1997510, 3196016, 3995020, 6392032, 7990040, 15980080, 31960160, 56130031, 112260062, 224520124, 280650155, 449040248, 561300310, 898080496, 1122600620, 1796160992, 2245201240, 4490402480, 8980804960]

約数ペア:

[(1, 8980804960), (2, 4490402480), (4, 2245201240), (5, 1796160992), (8, 1122600620), (10, 898080496), (16, 561300310), (20, 449040248), (32, 280650155), (40, 224520124), (80, 112260062), (160, 56130031), (281, 31960160), (562, 15980080), (1124, 7990040), (1405, 6392032), (2248, 3995020), (2810, 3196016), (4496, 1997510), (5620, 1598008), (8992, 998755), (11240, 799004), (22480, 399502), (44960, 199751)]