31201840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4937}}^1$

素因数の和:5029

約数の個数: 40

約数和(自身を含む): 73477440

約数和(自身を除く): 42275600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4937, 6320, 9874, 19748, 24685, 39496, 49370, 78992, 98740, 197480, 390023, 394960, 780046, 1560092, 1950115, 3120184, 3900230, 6240368, 7800460, 15600920, 31201840]

約数ペア:

[(1, 31201840), (2, 15600920), (4, 7800460), (5, 6240368), (8, 3900230), (10, 3120184), (16, 1950115), (20, 1560092), (40, 780046), (79, 394960), (80, 390023), (158, 197480), (316, 98740), (395, 78992), (632, 49370), (790, 39496), (1264, 24685), (1580, 19748), (3160, 9874), (4937, 6320)]