31668880

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{787}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 73870272

約数和(自身を除く): 42201392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 787, 1006, 1574, 2012, 2515, 3148, 3935, 4024, 5030, 6296, 7870, 8048, 10060, 12592, 15740, 20120, 31480, 40240, 62960, 395861, 791722, 1583444, 1979305, 3166888, 3958610, 6333776, 7917220, 15834440, 31668880]

約数ペア:

[(1, 31668880), (2, 15834440), (4, 7917220), (5, 6333776), (8, 3958610), (10, 3166888), (16, 1979305), (20, 1583444), (40, 791722), (80, 395861), (503, 62960), (787, 40240), (1006, 31480), (1574, 20120), (2012, 15740), (2515, 12592), (3148, 10060), (3935, 8048), (4024, 7870), (5030, 6296)]