90016810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1693}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 175024080

約数和(自身を除く): 85007270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 1693, 2045, 3386, 4090, 5317, 8465, 10634, 16930, 22009, 26585, 44018, 53170, 110045, 220090, 692437, 1384874, 3462185, 6924370, 9001681, 18003362, 45008405, 90016810]

約数ペア:

[(1, 90016810), (2, 45008405), (5, 18003362), (10, 9001681), (13, 6924370), (26, 3462185), (65, 1384874), (130, 692437), (409, 220090), (818, 110045), (1693, 53170), (2045, 44018), (3386, 26585), (4090, 22009), (5317, 16930), (8465, 10634)]