42647480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6791}}^1$

素因数の和:6959

約数の個数: 32

約数和(自身を含む): 96582240

約数和(自身を除く): 53934760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 6791, 13582, 27164, 33955, 54328, 67910, 135820, 271640, 1066187, 2132374, 4264748, 5330935, 8529496, 10661870, 21323740, 42647480]

約数ペア:

[(1, 42647480), (2, 21323740), (4, 10661870), (5, 8529496), (8, 5330935), (10, 4264748), (20, 2132374), (40, 1066187), (157, 271640), (314, 135820), (628, 67910), (785, 54328), (1256, 33955), (1570, 27164), (3140, 13582), (6280, 6791)]