1880403775

素因数分解:

$5^2\times {\mathrm{137}}^1\times {\mathrm{549023}}^1$

素因数の和:549170

約数の個数: 12

約数和(自身を含む): 2348724672

約数和(自身を除く): 468320897

約数列:

[1, 5, 25, 137, 685, 3425, 549023, 2745115, 13725575, 75216151, 376080755, 1880403775]

約数ペア:

[(1, 1880403775), (5, 376080755), (25, 75216151), (137, 13725575), (685, 2745115), (3425, 549023)]