28025120

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2553

約数の個数: 48

約数和(自身を含む): 67169088

約数和(自身を除く): 39143968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2467, 2840, 4934, 5680, 9868, 11360, 12335, 19736, 24670, 39472, 49340, 78944, 98680, 175157, 197360, 350314, 394720, 700628, 875785, 1401256, 1751570, 2802512, 3503140, 5605024, 7006280, 14012560, 28025120]

約数ペア:

[(1, 28025120), (2, 14012560), (4, 7006280), (5, 5605024), (8, 3503140), (10, 2802512), (16, 1751570), (20, 1401256), (32, 875785), (40, 700628), (71, 394720), (80, 350314), (142, 197360), (160, 175157), (284, 98680), (355, 78944), (568, 49340), (710, 39472), (1136, 24670), (1420, 19736), (2272, 12335), (2467, 11360), (2840, 9868), (4934, 5680)]