31073440

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1409

約数の個数: 48

約数和(自身を含む): 73938312

約数和(自身を除く): 42864872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1237, 1256, 1570, 2474, 2512, 3140, 4948, 5024, 6185, 6280, 9896, 12370, 12560, 19792, 24740, 25120, 39584, 49480, 98960, 194209, 197920, 388418, 776836, 971045, 1553672, 1942090, 3107344, 3884180, 6214688, 7768360, 15536720, 31073440]

約数ペア:

[(1, 31073440), (2, 15536720), (4, 7768360), (5, 6214688), (8, 3884180), (10, 3107344), (16, 1942090), (20, 1553672), (32, 971045), (40, 776836), (80, 388418), (157, 197920), (160, 194209), (314, 98960), (628, 49480), (785, 39584), (1237, 25120), (1256, 24740), (1570, 19792), (2474, 12560), (2512, 12370), (3140, 9896), (4948, 6280), (5024, 6185)]