77268280

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4723}}^1$

素因数の和:5143

約数の個数: 32

約数和(自身を含む): 174315600

約数和(自身を除く): 97047320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 4723, 8180, 9446, 16360, 18892, 23615, 37784, 47230, 94460, 188920, 1931707, 3863414, 7726828, 9658535, 15453656, 19317070, 38634140, 77268280]

約数ペア:

[(1, 77268280), (2, 38634140), (4, 19317070), (5, 15453656), (8, 9658535), (10, 7726828), (20, 3863414), (40, 1931707), (409, 188920), (818, 94460), (1636, 47230), (2045, 37784), (3272, 23615), (4090, 18892), (4723, 16360), (8180, 9446)]