64100800

素因数分解:

$2^6\times 5^2\times {\mathrm{40063}}^1$

素因数の和:40085

約数の個数: 42

約数和(自身を含む): 157731968

約数和(自身を除く): 93631168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 40063, 80126, 160252, 200315, 320504, 400630, 641008, 801260, 1001575, 1282016, 1602520, 2003150, 2564032, 3205040, 4006300, 6410080, 8012600, 12820160, 16025200, 32050400, 64100800]

約数ペア:

[(1, 64100800), (2, 32050400), (4, 16025200), (5, 12820160), (8, 8012600), (10, 6410080), (16, 4006300), (20, 3205040), (25, 2564032), (32, 2003150), (40, 1602520), (50, 1282016), (64, 1001575), (80, 801260), (100, 641008), (160, 400630), (200, 320504), (320, 200315), (400, 160252), (800, 80126), (1600, 40063)]