25294340

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7759}}^1$

素因数の和:7931

約数の個数: 24

約数和(自身を含む): 53450880

約数和(自身を除く): 28156540

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 7759, 15518, 31036, 38795, 77590, 155180, 1264717, 2529434, 5058868, 6323585, 12647170, 25294340]

約数ペア:

[(1, 25294340), (2, 12647170), (4, 6323585), (5, 5058868), (10, 2529434), (20, 1264717), (163, 155180), (326, 77590), (652, 38795), (815, 31036), (1630, 15518), (3260, 7759)]