61089740

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4721}}^1$

素因数の和:5377

約数の個数: 24

約数和(自身を含む): 128513952

約数和(自身を除く): 67424212

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 4721, 6470, 9442, 12940, 18884, 23605, 47210, 94420, 3054487, 6108974, 12217948, 15272435, 30544870, 61089740]

約数ペア:

[(1, 61089740), (2, 30544870), (4, 15272435), (5, 12217948), (10, 6108974), (20, 3054487), (647, 94420), (1294, 47210), (2588, 23605), (3235, 18884), (4721, 12940), (6470, 9442)]