129631360

素因数分解:

$2^7\times 5^1\times {\mathrm{202549}}^1$

素因数の和:202568

約数の個数: 32

約数和(自身を含む): 309901500

約数和(自身を除く): 180270140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 202549, 405098, 810196, 1012745, 1620392, 2025490, 3240784, 4050980, 6481568, 8101960, 12963136, 16203920, 25926272, 32407840, 64815680, 129631360]

約数ペア:

[(1, 129631360), (2, 64815680), (4, 32407840), (5, 25926272), (8, 16203920), (10, 12963136), (16, 8101960), (20, 6481568), (32, 4050980), (40, 3240784), (64, 2025490), (80, 1620392), (128, 1012745), (160, 810196), (320, 405098), (640, 202549)]