61764280

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4871}}^1$

素因数の和:5199

約数の個数: 32

約数和(自身を含む): 139436640

約数和(自身を除く): 77672360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 4871, 6340, 9742, 12680, 19484, 24355, 38968, 48710, 97420, 194840, 1544107, 3088214, 6176428, 7720535, 12352856, 15441070, 30882140, 61764280]

約数ペア:

[(1, 61764280), (2, 30882140), (4, 15441070), (5, 12352856), (8, 7720535), (10, 6176428), (20, 3088214), (40, 1544107), (317, 194840), (634, 97420), (1268, 48710), (1585, 38968), (2536, 24355), (3170, 19484), (4871, 12680), (6340, 9742)]