12641600

素因数分解:

$2^6\times 5^2\times {\mathrm{7901}}^1$

素因数の和:7923

約数の個数: 42

約数和(自身を含む): 31110174

約数和(自身を除く): 18468574

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 7901, 15802, 31604, 39505, 63208, 79010, 126416, 158020, 197525, 252832, 316040, 395050, 505664, 632080, 790100, 1264160, 1580200, 2528320, 3160400, 6320800, 12641600]

約数ペア:

[(1, 12641600), (2, 6320800), (4, 3160400), (5, 2528320), (8, 1580200), (10, 1264160), (16, 790100), (20, 632080), (25, 505664), (32, 395050), (40, 316040), (50, 252832), (64, 197525), (80, 158020), (100, 126416), (160, 79010), (200, 63208), (320, 39505), (400, 31604), (800, 15802), (1600, 7901)]