86447140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{332489}}^1$

素因数の和:332511

約数の個数: 24

約数和(自身を含む): 195504120

約数和(自身を除く): 109056980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 332489, 664978, 1329956, 1662445, 3324890, 4322357, 6649780, 8644714, 17289428, 21611785, 43223570, 86447140]

約数ペア:

[(1, 86447140), (2, 43223570), (4, 21611785), (5, 17289428), (10, 8644714), (13, 6649780), (20, 4322357), (26, 3324890), (52, 1662445), (65, 1329956), (130, 664978), (260, 332489)]