650147480

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{116933}}^1$

素因数の和:117083

約数の個数: 32

約数和(自身を含む): 1473368400

約数和(自身を除く): 823220920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 116933, 233866, 467732, 584665, 935464, 1169330, 2338660, 4677320, 16253687, 32507374, 65014748, 81268435, 130029496, 162536870, 325073740, 650147480]

約数ペア:

[(1, 650147480), (2, 325073740), (4, 162536870), (5, 130029496), (8, 81268435), (10, 65014748), (20, 32507374), (40, 16253687), (139, 4677320), (278, 2338660), (556, 1169330), (695, 935464), (1112, 584665), (1390, 467732), (2780, 233866), (5560, 116933)]