39949260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51217}}^1$

素因数の和:51242

約数の個数: 48

約数和(自身を含む): 120464736

約数和(自身を除く): 80515476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51217, 102434, 153651, 204868, 256085, 307302, 512170, 614604, 665821, 768255, 1024340, 1331642, 1536510, 1997463, 2663284, 3073020, 3329105, 3994926, 6658210, 7989852, 9987315, 13316420, 19974630, 39949260]

約数ペア:

[(1, 39949260), (2, 19974630), (3, 13316420), (4, 9987315), (5, 7989852), (6, 6658210), (10, 3994926), (12, 3329105), (13, 3073020), (15, 2663284), (20, 1997463), (26, 1536510), (30, 1331642), (39, 1024340), (52, 768255), (60, 665821), (65, 614604), (78, 512170), (130, 307302), (156, 256085), (195, 204868), (260, 153651), (390, 102434), (780, 51217)]