8782520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2467}}^1$

素因数の和:2567

約数の個数: 32

約数和(自身を含む): 19990800

約数和(自身を除く): 11208280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2467, 3560, 4934, 9868, 12335, 19736, 24670, 49340, 98680, 219563, 439126, 878252, 1097815, 1756504, 2195630, 4391260, 8782520]

約数ペア:

[(1, 8782520), (2, 4391260), (4, 2195630), (5, 1756504), (8, 1097815), (10, 878252), (20, 439126), (40, 219563), (89, 98680), (178, 49340), (356, 24670), (445, 19736), (712, 12335), (890, 9868), (1780, 4934), (2467, 3560)]