31928240

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1259}}^1$

素因数の和:1589

約数の個数: 40

約数和(自身を含む): 74526480

約数和(自身を除く): 42598240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1259, 1268, 1585, 2518, 2536, 3170, 5036, 5072, 6295, 6340, 10072, 12590, 12680, 20144, 25180, 25360, 50360, 100720, 399103, 798206, 1596412, 1995515, 3192824, 3991030, 6385648, 7982060, 15964120, 31928240]

約数ペア:

[(1, 31928240), (2, 15964120), (4, 7982060), (5, 6385648), (8, 3991030), (10, 3192824), (16, 1995515), (20, 1596412), (40, 798206), (80, 399103), (317, 100720), (634, 50360), (1259, 25360), (1268, 25180), (1585, 20144), (2518, 12680), (2536, 12590), (3170, 10072), (5036, 6340), (5072, 6295)]