55636400

素因数分解:

$2^4\times 5^2\times {\mathrm{139091}}^1$

素因数の和:139109

約数の個数: 30

約数和(自身を含む): 133667412

約数和(自身を除く): 78031012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 139091, 278182, 556364, 695455, 1112728, 1390910, 2225456, 2781820, 3477275, 5563640, 6954550, 11127280, 13909100, 27818200, 55636400]

約数ペア:

[(1, 55636400), (2, 27818200), (4, 13909100), (5, 11127280), (8, 6954550), (10, 5563640), (16, 3477275), (20, 2781820), (25, 2225456), (40, 1390910), (50, 1112728), (80, 695455), (100, 556364), (200, 278182), (400, 139091)]