128476910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{162629}}^1$

素因数の和:162715

約数の個数: 16

約数和(自身を含む): 234187200

約数和(自身を除く): 105710290

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 162629, 325258, 813145, 1626290, 12847691, 25695382, 64238455, 128476910]

約数ペア:

[(1, 128476910), (2, 64238455), (5, 25695382), (10, 12847691), (79, 1626290), (158, 813145), (395, 325258), (790, 162629)]