28570180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26953}}^1$

素因数の和:27015

約数の個数: 24

約数和(自身を含む): 61131672

約数和(自身を除く): 32561492

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 26953, 53906, 107812, 134765, 269530, 539060, 1428509, 2857018, 5714036, 7142545, 14285090, 28570180]

約数ペア:

[(1, 28570180), (2, 14285090), (4, 7142545), (5, 5714036), (10, 2857018), (20, 1428509), (53, 539060), (106, 269530), (212, 134765), (265, 107812), (530, 53906), (1060, 26953)]