291246160

素因数分解:

$2^4\times 5^1\times {\mathrm{3640577}}^1$

素因数の和:3640590

約数の個数: 20

約数和(自身を含む): 677147508

約数和(自身を除く): 385901348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3640577, 7281154, 14562308, 18202885, 29124616, 36405770, 58249232, 72811540, 145623080, 291246160]

約数ペア:

[(1, 291246160), (2, 145623080), (4, 72811540), (5, 58249232), (8, 36405770), (10, 29124616), (16, 18202885), (20, 14562308), (40, 7281154), (80, 3640577)]