39786440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21163}}^1$

素因数の和:21221

約数の個数: 32

約数和(自身を含む): 91428480

約数和(自身を除く): 51642040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21163, 42326, 84652, 105815, 169304, 211630, 423260, 846520, 994661, 1989322, 3978644, 4973305, 7957288, 9946610, 19893220, 39786440]

約数ペア:

[(1, 39786440), (2, 19893220), (4, 9946610), (5, 7957288), (8, 4973305), (10, 3978644), (20, 1989322), (40, 994661), (47, 846520), (94, 423260), (188, 211630), (235, 169304), (376, 105815), (470, 84652), (940, 42326), (1880, 21163)]