8687480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4621}}^1$

素因数の和:4679

約数の個数: 32

約数和(自身を含む): 19967040

約数和(自身を除く): 11279560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 4621, 9242, 18484, 23105, 36968, 46210, 92420, 184840, 217187, 434374, 868748, 1085935, 1737496, 2171870, 4343740, 8687480]

約数ペア:

[(1, 8687480), (2, 4343740), (4, 2171870), (5, 1737496), (8, 1085935), (10, 868748), (20, 434374), (40, 217187), (47, 184840), (94, 92420), (188, 46210), (235, 36968), (376, 23105), (470, 18484), (940, 9242), (1880, 4621)]