27489920

素因数分解:

$2^7\times 5^1\times {\mathrm{42953}}^1$

素因数の和:42972

約数の個数: 32

約数和(自身を含む): 65719620

約数和(自身を除く): 38229700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 42953, 85906, 171812, 214765, 343624, 429530, 687248, 859060, 1374496, 1718120, 2748992, 3436240, 5497984, 6872480, 13744960, 27489920]

約数ペア:

[(1, 27489920), (2, 13744960), (4, 6872480), (5, 5497984), (8, 3436240), (10, 2748992), (16, 1718120), (20, 1374496), (32, 859060), (40, 687248), (64, 429530), (80, 343624), (128, 214765), (160, 171812), (320, 85906), (640, 42953)]