40451216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 84786240

約数和(自身を除く): 44335024

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 439, 443, 878, 886, 1756, 1772, 3512, 3544, 5707, 5759, 7024, 7088, 11414, 11518, 22828, 23036, 45656, 46072, 91312, 92144, 194477, 388954, 777908, 1555816, 2528201, 3111632, 5056402, 10112804, 20225608, 40451216]

約数ペア:

[(1, 40451216), (2, 20225608), (4, 10112804), (8, 5056402), (13, 3111632), (16, 2528201), (26, 1555816), (52, 777908), (104, 388954), (208, 194477), (439, 92144), (443, 91312), (878, 46072), (886, 45656), (1756, 23036), (1772, 22828), (3512, 11518), (3544, 11414), (5707, 7088), (5759, 7024)]