25854140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99439}}^1$

素因数の和:99461

約数の個数: 24

約数和(自身を含む): 58470720

約数和(自身を除く): 32616580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99439, 198878, 397756, 497195, 994390, 1292707, 1988780, 2585414, 5170828, 6463535, 12927070, 25854140]

約数ペア:

[(1, 25854140), (2, 12927070), (4, 6463535), (5, 5170828), (10, 2585414), (13, 1988780), (20, 1292707), (26, 994390), (52, 497195), (65, 397756), (130, 198878), (260, 99439)]