16252840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6661}}^1$

素因数の和:6733

約数の個数: 32

約数和(自身を含む): 37173960

約数和(自身を除く): 20921120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6661, 13322, 26644, 33305, 53288, 66610, 133220, 266440, 406321, 812642, 1625284, 2031605, 3250568, 4063210, 8126420, 16252840]

約数ペア:

[(1, 16252840), (2, 8126420), (4, 4063210), (5, 3250568), (8, 2031605), (10, 1625284), (20, 812642), (40, 406321), (61, 266440), (122, 133220), (244, 66610), (305, 53288), (488, 33305), (610, 26644), (1220, 13322), (2440, 6661)]