220132840

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{35053}}^1$

素因数の和:35221

約数の個数: 32

約数和(自身を含む): 498467880

約数和(自身を除く): 278335040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 35053, 70106, 140212, 175265, 280424, 350530, 701060, 1402120, 5503321, 11006642, 22013284, 27516605, 44026568, 55033210, 110066420, 220132840]

約数ペア:

[(1, 220132840), (2, 110066420), (4, 55033210), (5, 44026568), (8, 27516605), (10, 22013284), (20, 11006642), (40, 5503321), (157, 1402120), (314, 701060), (628, 350530), (785, 280424), (1256, 175265), (1570, 140212), (3140, 70106), (6280, 35053)]