77967040

素因数分解:

$2^6\times 5^1\times {\mathrm{243647}}^1$

素因数の和:243664

約数の個数: 28

約数和(自身を含む): 185659776

約数和(自身を除く): 107692736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243647, 487294, 974588, 1218235, 1949176, 2436470, 3898352, 4872940, 7796704, 9745880, 15593408, 19491760, 38983520, 77967040]

約数ペア:

[(1, 77967040), (2, 38983520), (4, 19491760), (5, 15593408), (8, 9745880), (10, 7796704), (16, 4872940), (20, 3898352), (32, 2436470), (40, 1949176), (64, 1218235), (80, 974588), (160, 487294), (320, 243647)]