8120825830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{313909}}^1$

素因数の和:314128

約数の個数: 32

約数和(自身を含む): 15821064000

約数和(自身を除く): 7700238170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 25870, 313909, 627818, 1569545, 3139090, 4080817, 8161634, 20404085, 40808170, 62467891, 124935782, 312339455, 624678910, 812082583, 1624165166, 4060412915, 8120825830]

約数ペア:

[(1, 8120825830), (2, 4060412915), (5, 1624165166), (10, 812082583), (13, 624678910), (26, 312339455), (65, 124935782), (130, 62467891), (199, 40808170), (398, 20404085), (995, 8161634), (1990, 4080817), (2587, 3139090), (5174, 1569545), (12935, 627818), (25870, 313909)]