72738440

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{10159}}^1$

素因数の和:10349

約数の個数: 32

約数和(自身を含む): 164592000

約数和(自身を除く): 91853560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 10159, 20318, 40636, 50795, 81272, 101590, 203180, 406360, 1818461, 3636922, 7273844, 9092305, 14547688, 18184610, 36369220, 72738440]

約数ペア:

[(1, 72738440), (2, 36369220), (4, 18184610), (5, 14547688), (8, 9092305), (10, 7273844), (20, 3636922), (40, 1818461), (179, 406360), (358, 203180), (716, 101590), (895, 81272), (1432, 50795), (1790, 40636), (3580, 20318), (7160, 10159)]