138749840

素因数分解:

$2^4\times 5^1\times {\mathrm{1734373}}^1$

素因数の和:1734386

約数の個数: 20

約数和(自身を含む): 322593564

約数和(自身を除く): 183843724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1734373, 3468746, 6937492, 8671865, 13874984, 17343730, 27749968, 34687460, 69374920, 138749840]

約数ペア:

[(1, 138749840), (2, 69374920), (4, 34687460), (5, 27749968), (8, 17343730), (10, 13874984), (16, 8671865), (20, 6937492), (40, 3468746), (80, 1734373)]