31475000

素因数分解:

$2^3\times 5^5\times {\mathrm{1259}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 73823400

約数和(自身を除く): 42348400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1259, 2500, 2518, 3125, 5000, 5036, 6250, 6295, 10072, 12500, 12590, 25000, 25180, 31475, 50360, 62950, 125900, 157375, 251800, 314750, 629500, 786875, 1259000, 1573750, 3147500, 3934375, 6295000, 7868750, 15737500, 31475000]

約数ペア:

[(1, 31475000), (2, 15737500), (4, 7868750), (5, 6295000), (8, 3934375), (10, 3147500), (20, 1573750), (25, 1259000), (40, 786875), (50, 629500), (100, 314750), (125, 251800), (200, 157375), (250, 125900), (500, 62950), (625, 50360), (1000, 31475), (1250, 25180), (1259, 25000), (2500, 12590), (2518, 12500), (3125, 10072), (5000, 6295), (5036, 6250)]