65895440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63361}}^1$

素因数の和:63387

約数の個数: 40

約数和(自身を含む): 164994648

約数和(自身を除く): 99099208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63361, 126722, 253444, 316805, 506888, 633610, 823693, 1013776, 1267220, 1647386, 2534440, 3294772, 4118465, 5068880, 6589544, 8236930, 13179088, 16473860, 32947720, 65895440]

約数ペア:

[(1, 65895440), (2, 32947720), (4, 16473860), (5, 13179088), (8, 8236930), (10, 6589544), (13, 5068880), (16, 4118465), (20, 3294772), (26, 2534440), (40, 1647386), (52, 1267220), (65, 1013776), (80, 823693), (104, 633610), (130, 506888), (208, 316805), (260, 253444), (520, 126722), (1040, 63361)]