72492940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278819}}^1$

素因数の和:278841

約数の個数: 24

約数和(自身を含む): 163946160

約数和(自身を除く): 91453220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 278819, 557638, 1115276, 1394095, 2788190, 3624647, 5576380, 7249294, 14498588, 18123235, 36246470, 72492940]

約数ペア:

[(1, 72492940), (2, 36246470), (4, 18123235), (5, 14498588), (10, 7249294), (13, 5576380), (20, 3624647), (26, 2788190), (52, 1394095), (65, 1115276), (130, 557638), (260, 278819)]