53642500

素因数分解:

$2^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:566

約数の個数: 60

約数和(自身を含む): 120274000

約数和(自身を除く): 66631500

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 499, 500, 625, 860, 998, 1075, 1250, 1996, 2150, 2495, 2500, 4300, 4990, 5375, 9980, 10750, 12475, 21457, 21500, 24950, 26875, 42914, 49900, 53750, 62375, 85828, 107285, 107500, 124750, 214570, 249500, 311875, 429140, 536425, 623750, 1072850, 1247500, 2145700, 2682125, 5364250, 10728500, 13410625, 26821250, 53642500]

約数ペア:

[(1, 53642500), (2, 26821250), (4, 13410625), (5, 10728500), (10, 5364250), (20, 2682125), (25, 2145700), (43, 1247500), (50, 1072850), (86, 623750), (100, 536425), (125, 429140), (172, 311875), (215, 249500), (250, 214570), (430, 124750), (499, 107500), (500, 107285), (625, 85828), (860, 62375), (998, 53750), (1075, 49900), (1250, 42914), (1996, 26875), (2150, 24950), (2495, 21500), (2500, 21457), (4300, 12475), (4990, 10750), (5375, 9980)]