65203280

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2053}}^1$

素因数の和:2463

約数の個数: 40

約数和(自身を含む): 152053512

約数和(自身を除く): 86850232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 2053, 3176, 3970, 4106, 6352, 7940, 8212, 10265, 15880, 16424, 20530, 31760, 32848, 41060, 82120, 164240, 815041, 1630082, 3260164, 4075205, 6520328, 8150410, 13040656, 16300820, 32601640, 65203280]

約数ペア:

[(1, 65203280), (2, 32601640), (4, 16300820), (5, 13040656), (8, 8150410), (10, 6520328), (16, 4075205), (20, 3260164), (40, 1630082), (80, 815041), (397, 164240), (794, 82120), (1588, 41060), (1985, 32848), (2053, 31760), (3176, 20530), (3970, 16424), (4106, 15880), (6352, 10265), (7940, 8212)]