90432380

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{9209}}^1$

素因数の和:9709

約数の個数: 24

約数和(自身を含む): 190315440

約数和(自身を除く): 99883060

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9209, 9820, 18418, 36836, 46045, 92090, 184180, 4521619, 9043238, 18086476, 22608095, 45216190, 90432380]

約数ペア:

[(1, 90432380), (2, 45216190), (4, 22608095), (5, 18086476), (10, 9043238), (20, 4521619), (491, 184180), (982, 92090), (1964, 46045), (2455, 36836), (4910, 18418), (9209, 9820)]