55684000

素因数分解:

$2^5\times 5^3\times {\mathrm{13921}}^1$

素因数の和:13946

約数の個数: 48

約数和(自身を含む): 136825416

約数和(自身を除く): 81141416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 13921, 27842, 55684, 69605, 111368, 139210, 222736, 278420, 348025, 445472, 556840, 696050, 1113680, 1392100, 1740125, 2227360, 2784200, 3480250, 5568400, 6960500, 11136800, 13921000, 27842000, 55684000]

約数ペア:

[(1, 55684000), (2, 27842000), (4, 13921000), (5, 11136800), (8, 6960500), (10, 5568400), (16, 3480250), (20, 2784200), (25, 2227360), (32, 1740125), (40, 1392100), (50, 1113680), (80, 696050), (100, 556840), (125, 445472), (160, 348025), (200, 278420), (250, 222736), (400, 139210), (500, 111368), (800, 69605), (1000, 55684), (2000, 27842), (4000, 13921)]