72056540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211931}}^1$

素因数の和:211957

約数の個数: 24

約数和(自身を含む): 160220592

約数和(自身を除く): 88164052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 211931, 423862, 847724, 1059655, 2119310, 3602827, 4238620, 7205654, 14411308, 18014135, 36028270, 72056540]

約数ペア:

[(1, 72056540), (2, 36028270), (4, 18014135), (5, 14411308), (10, 7205654), (17, 4238620), (20, 3602827), (34, 2119310), (68, 1059655), (85, 847724), (170, 423862), (340, 211931)]