2780458880

素因数分解:

$2^7\times 5^1\times {\mathrm{4344467}}^1$

素因数の和:4344486

約数の個数: 32

約数和(自身を含む): 6647036040

約数和(自身を除く): 3866577160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4344467, 8688934, 17377868, 21722335, 34755736, 43444670, 69511472, 86889340, 139022944, 173778680, 278045888, 347557360, 556091776, 695114720, 1390229440, 2780458880]

約数ペア:

[(1, 2780458880), (2, 1390229440), (4, 695114720), (5, 556091776), (8, 347557360), (10, 278045888), (16, 173778680), (20, 139022944), (32, 86889340), (40, 69511472), (64, 43444670), (80, 34755736), (128, 21722335), (160, 17377868), (320, 8688934), (640, 4344467)]