51312740

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{3929}}^1$

素因数の和:4591

約数の個数: 24

約数和(自身を含む): 107949240

約数和(自身を除く): 56636500

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 3929, 6530, 7858, 13060, 15716, 19645, 39290, 78580, 2565637, 5131274, 10262548, 12828185, 25656370, 51312740]

約数ペア:

[(1, 51312740), (2, 25656370), (4, 12828185), (5, 10262548), (10, 5131274), (20, 2565637), (653, 78580), (1306, 39290), (2612, 19645), (3265, 15716), (3929, 13060), (6530, 7858)]