25443210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65239}}^1$

素因数の和:65262

約数の個数: 32

約数和(自身を含む): 65761920

約数和(自身を除く): 40318710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 65239, 130478, 195717, 326195, 391434, 652390, 848107, 978585, 1696214, 1957170, 2544321, 4240535, 5088642, 8481070, 12721605, 25443210]

約数ペア:

[(1, 25443210), (2, 12721605), (3, 8481070), (5, 5088642), (6, 4240535), (10, 2544321), (13, 1957170), (15, 1696214), (26, 978585), (30, 848107), (39, 652390), (65, 391434), (78, 326195), (130, 195717), (195, 130478), (390, 65239)]