16838120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32381}}^1$

素因数の和:32405

約数の個数: 32

約数和(自身を含む): 40801320

約数和(自身を除く): 23963200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 32381, 64762, 129524, 161905, 259048, 323810, 420953, 647620, 841906, 1295240, 1683812, 2104765, 3367624, 4209530, 8419060, 16838120]

約数ペア:

[(1, 16838120), (2, 8419060), (4, 4209530), (5, 3367624), (8, 2104765), (10, 1683812), (13, 1295240), (20, 841906), (26, 647620), (40, 420953), (52, 323810), (65, 259048), (104, 161905), (130, 129524), (260, 64762), (520, 32381)]