170054020

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{20789}}^1$

素因数の和:21207

約数の個数: 24

約数和(自身を含む): 358003800

約数和(自身を除く): 187949780

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 20789, 41578, 83156, 103945, 207890, 415780, 8502701, 17005402, 34010804, 42513505, 85027010, 170054020]

約数ペア:

[(1, 170054020), (2, 85027010), (4, 42513505), (5, 34010804), (10, 17005402), (20, 8502701), (409, 415780), (818, 207890), (1636, 103945), (2045, 83156), (4090, 41578), (8180, 20789)]