272208560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261739}}^1$

素因数の和:261765

約数の個数: 40

約数和(自身を含む): 681570960

約数和(自身を除く): 409362400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 261739, 523478, 1046956, 1308695, 2093912, 2617390, 3402607, 4187824, 5234780, 6805214, 10469560, 13610428, 17013035, 20939120, 27220856, 34026070, 54441712, 68052140, 136104280, 272208560]

約数ペア:

[(1, 272208560), (2, 136104280), (4, 68052140), (5, 54441712), (8, 34026070), (10, 27220856), (13, 20939120), (16, 17013035), (20, 13610428), (26, 10469560), (40, 6805214), (52, 5234780), (65, 4187824), (80, 3402607), (104, 2617390), (130, 2093912), (208, 1308695), (260, 1046956), (520, 523478), (1040, 261739)]