40748990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{51581}}^1$

素因数の和:51667

約数の個数: 16

約数和(自身を含む): 74278080

約数和(自身を除く): 33529090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 51581, 103162, 257905, 515810, 4074899, 8149798, 20374495, 40748990]

約数ペア:

[(1, 40748990), (2, 20374495), (5, 8149798), (10, 4074899), (79, 515810), (158, 257905), (395, 103162), (790, 51581)]