3249920

素因数分解:

$2^8\times 5^1\times {\mathrm{2539}}^1$

素因数の和:2560

約数の個数: 36

約数和(自身を含む): 7787640

約数和(自身を除く): 4537720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2539, 5078, 10156, 12695, 20312, 25390, 40624, 50780, 81248, 101560, 162496, 203120, 324992, 406240, 649984, 812480, 1624960, 3249920]

約数ペア:

[(1, 3249920), (2, 1624960), (4, 812480), (5, 649984), (8, 406240), (10, 324992), (16, 203120), (20, 162496), (32, 101560), (40, 81248), (64, 50780), (80, 40624), (128, 25390), (160, 20312), (256, 12695), (320, 10156), (640, 5078), (1280, 2539)]