207680540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241489}}^1$

素因数の和:241541

約数の個数: 24

約数和(自身を含む): 446273520

約数和(自身を除く): 238592980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 241489, 482978, 965956, 1207445, 2414890, 4829780, 10384027, 20768054, 41536108, 51920135, 103840270, 207680540]

約数ペア:

[(1, 207680540), (2, 103840270), (4, 51920135), (5, 41536108), (10, 20768054), (20, 10384027), (43, 4829780), (86, 2414890), (172, 1207445), (215, 965956), (430, 482978), (860, 241489)]