165915760

素因数分解:

$2^4\times 5^1\times {\mathrm{467}}^1\times {\mathrm{4441}}^1$

素因数の和:4921

約数の個数: 40

約数和(自身を含む): 386667216

約数和(自身を除く): 220751456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 467, 934, 1868, 2335, 3736, 4441, 4670, 7472, 8882, 9340, 17764, 18680, 22205, 35528, 37360, 44410, 71056, 88820, 177640, 355280, 2073947, 4147894, 8295788, 10369735, 16591576, 20739470, 33183152, 41478940, 82957880, 165915760]

約数ペア:

[(1, 165915760), (2, 82957880), (4, 41478940), (5, 33183152), (8, 20739470), (10, 16591576), (16, 10369735), (20, 8295788), (40, 4147894), (80, 2073947), (467, 355280), (934, 177640), (1868, 88820), (2335, 71056), (3736, 44410), (4441, 37360), (4670, 35528), (7472, 22205), (8882, 18680), (9340, 17764)]