100814720

素因数分解:

$2^7\times 5^1\times {\mathrm{157523}}^1$

素因数の和:157542

約数の個数: 32

約数和(自身を含む): 241011720

約数和(自身を除く): 140197000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 157523, 315046, 630092, 787615, 1260184, 1575230, 2520368, 3150460, 5040736, 6300920, 10081472, 12601840, 20162944, 25203680, 50407360, 100814720]

約数ペア:

[(1, 100814720), (2, 50407360), (4, 25203680), (5, 20162944), (8, 12601840), (10, 10081472), (16, 6300920), (20, 5040736), (32, 3150460), (40, 2520368), (64, 1575230), (80, 1260184), (128, 787615), (160, 630092), (320, 315046), (640, 157523)]