3948702920

素因数分解:

$2^3\times 5^1\times {\mathrm{6977}}^1\times {\mathrm{14149}}^1$

素因数の和:21137

約数の個数: 32

約数和(自身を含む): 8886483000

約数和(自身を除く): 4937780080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6977, 13954, 14149, 27908, 28298, 34885, 55816, 56596, 69770, 70745, 113192, 139540, 141490, 279080, 282980, 565960, 98717573, 197435146, 394870292, 493587865, 789740584, 987175730, 1974351460, 3948702920]

約数ペア:

[(1, 3948702920), (2, 1974351460), (4, 987175730), (5, 789740584), (8, 493587865), (10, 394870292), (20, 197435146), (40, 98717573), (6977, 565960), (13954, 282980), (14149, 279080), (27908, 141490), (28298, 139540), (34885, 113192), (55816, 70745), (56596, 69770)]