28621700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3623}}^1$

素因数の和:3716

約数の個数: 36

約数和(自身を含む): 62912640

約数和(自身を除く): 34290940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3623, 3950, 7246, 7900, 14492, 18115, 36230, 72460, 90575, 181150, 286217, 362300, 572434, 1144868, 1431085, 2862170, 5724340, 7155425, 14310850, 28621700]

約数ペア:

[(1, 28621700), (2, 14310850), (4, 7155425), (5, 5724340), (10, 2862170), (20, 1431085), (25, 1144868), (50, 572434), (79, 362300), (100, 286217), (158, 181150), (316, 90575), (395, 72460), (790, 36230), (1580, 18115), (1975, 14492), (3623, 7900), (3950, 7246)]