78142640

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5849}}^1$

素因数の和:6029

約数の個数: 40

約数和(自身を含む): 182800800

約数和(自身を除く): 104658160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 5849, 6680, 11698, 13360, 23396, 29245, 46792, 58490, 93584, 116980, 233960, 467920, 976783, 1953566, 3907132, 4883915, 7814264, 9767830, 15628528, 19535660, 39071320, 78142640]

約数ペア:

[(1, 78142640), (2, 39071320), (4, 19535660), (5, 15628528), (8, 9767830), (10, 7814264), (16, 4883915), (20, 3907132), (40, 1953566), (80, 976783), (167, 467920), (334, 233960), (668, 116980), (835, 93584), (1336, 58490), (1670, 46792), (2672, 29245), (3340, 23396), (5849, 13360), (6680, 11698)]