51180460

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{18679}}^1$

素因数の和:18825

約数の個数: 24

約数和(自身を含む): 108269280

約数和(自身を除く): 57088820

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 18679, 37358, 74716, 93395, 186790, 373580, 2559023, 5118046, 10236092, 12795115, 25590230, 51180460]

約数ペア:

[(1, 51180460), (2, 25590230), (4, 12795115), (5, 10236092), (10, 5118046), (20, 2559023), (137, 373580), (274, 186790), (548, 93395), (685, 74716), (1370, 37358), (2740, 18679)]