78252800

素因数分解:

$2^8\times 5^2\times {\mathrm{12227}}^1$

素因数の和:12253

約数の個数: 54

約数和(自身を含む): 193703748

約数和(自身を除く): 115450948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 12227, 24454, 48908, 61135, 97816, 122270, 195632, 244540, 305675, 391264, 489080, 611350, 782528, 978160, 1222700, 1565056, 1956320, 2445400, 3130112, 3912640, 4890800, 7825280, 9781600, 15650560, 19563200, 39126400, 78252800]

約数ペア:

[(1, 78252800), (2, 39126400), (4, 19563200), (5, 15650560), (8, 9781600), (10, 7825280), (16, 4890800), (20, 3912640), (25, 3130112), (32, 2445400), (40, 1956320), (50, 1565056), (64, 1222700), (80, 978160), (100, 782528), (128, 611350), (160, 489080), (200, 391264), (256, 305675), (320, 244540), (400, 195632), (640, 122270), (800, 97816), (1280, 61135), (1600, 48908), (3200, 24454), (6400, 12227)]