39440360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24049}}^1$

素因数の和:24101

約数の個数: 32

約数和(自身を含む): 90909000

約数和(自身を除く): 51468640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24049, 48098, 96196, 120245, 192392, 240490, 480980, 961960, 986009, 1972018, 3944036, 4930045, 7888072, 9860090, 19720180, 39440360]

約数ペア:

[(1, 39440360), (2, 19720180), (4, 9860090), (5, 7888072), (8, 4930045), (10, 3944036), (20, 1972018), (40, 986009), (41, 961960), (82, 480980), (164, 240490), (205, 192392), (328, 120245), (410, 96196), (820, 48098), (1640, 24049)]