63567640

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4003}}^1$

素因数の和:4411

約数の個数: 32

約数和(自身を含む): 143423280

約数和(自身を除く): 79855640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 4003, 7940, 8006, 15880, 16012, 20015, 32024, 40030, 80060, 160120, 1589191, 3178382, 6356764, 7945955, 12713528, 15891910, 31783820, 63567640]

約数ペア:

[(1, 63567640), (2, 31783820), (4, 15891910), (5, 12713528), (8, 7945955), (10, 6356764), (20, 3178382), (40, 1589191), (397, 160120), (794, 80060), (1588, 40030), (1985, 32024), (3176, 20015), (3970, 16012), (4003, 15880), (7940, 8006)]