78380450

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{22079}}^1$

素因数の和:22162

約数の個数: 24

約数和(自身を含む): 147847680

約数和(自身を除く): 69467230

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 22079, 44158, 110395, 220790, 551975, 1103950, 1567609, 3135218, 7838045, 15676090, 39190225, 78380450]

約数ペア:

[(1, 78380450), (2, 39190225), (5, 15676090), (10, 7838045), (25, 3135218), (50, 1567609), (71, 1103950), (142, 551975), (355, 220790), (710, 110395), (1775, 44158), (3550, 22079)]