80732800

素因数分解:

$2^7\times 5^2\times {\mathrm{25229}}^1$

素因数の和:25253

約数の個数: 48

約数和(自身を含む): 199443150

約数和(自身を除く): 118710350

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 25229, 50458, 100916, 126145, 201832, 252290, 403664, 504580, 630725, 807328, 1009160, 1261450, 1614656, 2018320, 2522900, 3229312, 4036640, 5045800, 8073280, 10091600, 16146560, 20183200, 40366400, 80732800]

約数ペア:

[(1, 80732800), (2, 40366400), (4, 20183200), (5, 16146560), (8, 10091600), (10, 8073280), (16, 5045800), (20, 4036640), (25, 3229312), (32, 2522900), (40, 2018320), (50, 1614656), (64, 1261450), (80, 1009160), (100, 807328), (128, 630725), (160, 504580), (200, 403664), (320, 252290), (400, 201832), (640, 126145), (800, 100916), (1600, 50458), (3200, 25229)]