40641968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149419}}^1$

素因数の和:149444

約数の個数: 20

約数和(自身を含む): 83376360

約数和(自身を除く): 42734392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 149419, 298838, 597676, 1195352, 2390704, 2540123, 5080246, 10160492, 20320984, 40641968]

約数ペア:

[(1, 40641968), (2, 20320984), (4, 10160492), (8, 5080246), (16, 2540123), (17, 2390704), (34, 1195352), (68, 597676), (136, 298838), (272, 149419)]