208835085280

素因数分解:

$2^5\times 5^1\times {\mathrm{1305219283}}^1$

素因数の和:1305219298

約数の個数: 24

約数和(自身を含む): 493372889352

約数和(自身を除く): 284537804072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1305219283, 2610438566, 5220877132, 6526096415, 10441754264, 13052192830, 20883508528, 26104385660, 41767017056, 52208771320, 104417542640, 208835085280]

約数ペア:

[(1, 208835085280), (2, 104417542640), (4, 52208771320), (5, 41767017056), (8, 26104385660), (10, 20883508528), (16, 13052192830), (20, 10441754264), (32, 6526096415), (40, 5220877132), (80, 2610438566), (160, 1305219283)]