90177280

素因数分解:

$2^8\times 5^1\times {\mathrm{70451}}^1$

素因数の和:70472

約数の個数: 36

約数和(自身を含む): 216005832

約数和(自身を除く): 125828552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 70451, 140902, 281804, 352255, 563608, 704510, 1127216, 1409020, 2254432, 2818040, 4508864, 5636080, 9017728, 11272160, 18035456, 22544320, 45088640, 90177280]

約数ペア:

[(1, 90177280), (2, 45088640), (4, 22544320), (5, 18035456), (8, 11272160), (10, 9017728), (16, 5636080), (20, 4508864), (32, 2818040), (40, 2254432), (64, 1409020), (80, 1127216), (128, 704510), (160, 563608), (256, 352255), (320, 281804), (640, 140902), (1280, 70451)]