66604480

素因数分解:

$2^6\times 5^1\times {\mathrm{208139}}^1$

素因数の和:208156

約数の個数: 28

約数和(自身を含む): 158602680

約数和(自身を除く): 91998200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 208139, 416278, 832556, 1040695, 1665112, 2081390, 3330224, 4162780, 6660448, 8325560, 13320896, 16651120, 33302240, 66604480]

約数ペア:

[(1, 66604480), (2, 33302240), (4, 16651120), (5, 13320896), (8, 8325560), (10, 6660448), (16, 4162780), (20, 3330224), (32, 2081390), (40, 1665112), (64, 1040695), (80, 832556), (160, 416278), (320, 208139)]