199599080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{160967}}^1$

素因数の和:161009

約数の個数: 32

約数和(自身を含む): 463587840

約数和(自身を除く): 263988760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 160967, 321934, 643868, 804835, 1287736, 1609670, 3219340, 4989977, 6438680, 9979954, 19959908, 24949885, 39919816, 49899770, 99799540, 199599080]

約数ペア:

[(1, 199599080), (2, 99799540), (4, 49899770), (5, 39919816), (8, 24949885), (10, 19959908), (20, 9979954), (31, 6438680), (40, 4989977), (62, 3219340), (124, 1609670), (155, 1287736), (248, 804835), (310, 643868), (620, 321934), (1240, 160967)]