156916880

素因数分解:

$2^4\times 5^1\times {\mathrm{1961461}}^1$

素因数の和:1961474

約数の個数: 20

約数和(自身を含む): 364831932

約数和(自身を除く): 207915052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961461, 3922922, 7845844, 9807305, 15691688, 19614610, 31383376, 39229220, 78458440, 156916880]

約数ペア:

[(1, 156916880), (2, 78458440), (4, 39229220), (5, 31383376), (8, 19614610), (10, 15691688), (16, 9807305), (20, 7845844), (40, 3922922), (80, 1961461)]