56164420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 127593648

約数和(自身を除く): 71429228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337, 641, 674, 1282, 1348, 1685, 2564, 3205, 3370, 4381, 6410, 6740, 8333, 8762, 12820, 16666, 17524, 21905, 33332, 41665, 43810, 83330, 87620, 166660, 216017, 432034, 864068, 1080085, 2160170, 2808221, 4320340, 5616442, 11232884, 14041105, 28082210, 56164420]

約数ペア:

[(1, 56164420), (2, 28082210), (4, 14041105), (5, 11232884), (10, 5616442), (13, 4320340), (20, 2808221), (26, 2160170), (52, 1080085), (65, 864068), (130, 432034), (260, 216017), (337, 166660), (641, 87620), (674, 83330), (1282, 43810), (1348, 41665), (1685, 33332), (2564, 21905), (3205, 17524), (3370, 16666), (4381, 12820), (6410, 8762), (6740, 8333)]