4005872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19259}}^1$

素因数の和:19280

約数の個数: 20

約数和(自身を含む): 8358840

約数和(自身を除く): 4352968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 19259, 38518, 77036, 154072, 250367, 308144, 500734, 1001468, 2002936, 4005872]

約数ペア:

[(1, 4005872), (2, 2002936), (4, 1001468), (8, 500734), (13, 308144), (16, 250367), (26, 154072), (52, 77036), (104, 38518), (208, 19259)]