129587240

素因数分解:

$2^3\times 5^1\times {\mathrm{3239681}}^1$

素因数の和:3239692

約数の個数: 16

約数和(自身を含む): 291571380

約数和(自身を除く): 161984140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3239681, 6479362, 12958724, 16198405, 25917448, 32396810, 64793620, 129587240]

約数ペア:

[(1, 129587240), (2, 64793620), (4, 32396810), (5, 25917448), (8, 16198405), (10, 12958724), (20, 6479362), (40, 3239681)]