2786012980

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{76079}}^1$

素因数の和:77919

約数の個数: 24

約数和(自身を含む): 5853899520

約数和(自身を除く): 3067886540

約数列:

[1, 2, 4, 5, 10, 20, 1831, 3662, 7324, 9155, 18310, 36620, 76079, 152158, 304316, 380395, 760790, 1521580, 139300649, 278601298, 557202596, 696503245, 1393006490, 2786012980]

約数ペア:

[(1, 2786012980), (2, 1393006490), (4, 696503245), (5, 557202596), (10, 278601298), (20, 139300649), (1831, 1521580), (3662, 760790), (7324, 380395), (9155, 304316), (18310, 152158), (36620, 76079)]