808725520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{326099}}^1$

素因数の和:326143

約数の個数: 40

約数和(自身を含む): 1940947200

約数和(自身を除く): 1132221680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 326099, 652198, 1304396, 1630495, 2608792, 3260990, 5217584, 6521980, 10109069, 13043960, 20218138, 26087920, 40436276, 50545345, 80872552, 101090690, 161745104, 202181380, 404362760, 808725520]

約数ペア:

[(1, 808725520), (2, 404362760), (4, 202181380), (5, 161745104), (8, 101090690), (10, 80872552), (16, 50545345), (20, 40436276), (31, 26087920), (40, 20218138), (62, 13043960), (80, 10109069), (124, 6521980), (155, 5217584), (248, 3260990), (310, 2608792), (496, 1630495), (620, 1304396), (1240, 652198), (2480, 326099)]