28202360

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 64932840

約数和(自身を除く): 36730480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 251, 265, 424, 502, 530, 1004, 1060, 1255, 2008, 2120, 2510, 2809, 5020, 5618, 10040, 11236, 13303, 14045, 22472, 26606, 28090, 53212, 56180, 66515, 106424, 112360, 133030, 266060, 532120, 705059, 1410118, 2820236, 3525295, 5640472, 7050590, 14101180, 28202360]

約数ペア:

[(1, 28202360), (2, 14101180), (4, 7050590), (5, 5640472), (8, 3525295), (10, 2820236), (20, 1410118), (40, 705059), (53, 532120), (106, 266060), (212, 133030), (251, 112360), (265, 106424), (424, 66515), (502, 56180), (530, 53212), (1004, 28090), (1060, 26606), (1255, 22472), (2008, 14045), (2120, 13303), (2510, 11236), (2809, 10040), (5020, 5618)]