64388000

素因数分解:

$2^5\times 5^3\times {\mathrm{16097}}^1$

素因数の和:16122

約数の個数: 48

約数和(自身を含む): 158211144

約数和(自身を除く): 93823144

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, 16097, 32194, 64388, 80485, 128776, 160970, 257552, 321940, 402425, 515104, 643880, 804850, 1287760, 1609700, 2012125, 2575520, 3219400, 4024250, 6438800, 8048500, 12877600, 16097000, 32194000, 64388000]

約数ペア:

[(1, 64388000), (2, 32194000), (4, 16097000), (5, 12877600), (8, 8048500), (10, 6438800), (16, 4024250), (20, 3219400), (25, 2575520), (32, 2012125), (40, 1609700), (50, 1287760), (80, 804850), (100, 643880), (125, 515104), (160, 402425), (200, 321940), (250, 257552), (400, 160970), (500, 128776), (800, 80485), (1000, 64388), (2000, 32194), (4000, 16097)]