25644418640

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{386677}}^1$

素因数の和:387519

約数の個数: 40

約数和(自身を含む): 59695349640

約数和(自身を除く): 34050931000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1658, 3316, 4145, 6632, 8290, 13264, 16580, 33160, 66320, 386677, 773354, 1546708, 1933385, 3093416, 3866770, 6186832, 7733540, 15467080, 30934160, 320555233, 641110466, 1282220932, 1602776165, 2564441864, 3205552330, 5128883728, 6411104660, 12822209320, 25644418640]

約数ペア:

[(1, 25644418640), (2, 12822209320), (4, 6411104660), (5, 5128883728), (8, 3205552330), (10, 2564441864), (16, 1602776165), (20, 1282220932), (40, 641110466), (80, 320555233), (829, 30934160), (1658, 15467080), (3316, 7733540), (4145, 6186832), (6632, 3866770), (8290, 3093416), (13264, 1933385), (16580, 1546708), (33160, 773354), (66320, 386677)]