26427440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25411}}^1$

素因数の和:25437

約数の個数: 40

約数和(自身を含む): 66172848

約数和(自身を除く): 39745408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 25411, 50822, 101644, 127055, 203288, 254110, 330343, 406576, 508220, 660686, 1016440, 1321372, 1651715, 2032880, 2642744, 3303430, 5285488, 6606860, 13213720, 26427440]

約数ペア:

[(1, 26427440), (2, 13213720), (4, 6606860), (5, 5285488), (8, 3303430), (10, 2642744), (13, 2032880), (16, 1651715), (20, 1321372), (26, 1016440), (40, 660686), (52, 508220), (65, 406576), (80, 330343), (104, 254110), (130, 203288), (208, 127055), (260, 101644), (520, 50822), (1040, 25411)]