40745360

素因数分解:

$2^4\times 5^1\times {\mathrm{509317}}^1$

素因数の和:509330

約数の個数: 20

約数和(自身を含む): 94733148

約数和(自身を除く): 53987788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509317, 1018634, 2037268, 2546585, 4074536, 5093170, 8149072, 10186340, 20372680, 40745360]

約数ペア:

[(1, 40745360), (2, 20372680), (4, 10186340), (5, 8149072), (8, 5093170), (10, 4074536), (16, 2546585), (20, 2037268), (40, 1018634), (80, 509317)]