2016309760

素因数分解:

$2^9\times 5^1\times {\mathrm{787621}}^1$

素因数の和:787644

約数の個数: 40

約数和(自身を含む): 4834423836

約数和(自身を除く): 2818114076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 787621, 1575242, 3150484, 3938105, 6300968, 7876210, 12601936, 15752420, 25203872, 31504840, 50407744, 63009680, 100815488, 126019360, 201630976, 252038720, 403261952, 504077440, 1008154880, 2016309760]

約数ペア:

[(1, 2016309760), (2, 1008154880), (4, 504077440), (5, 403261952), (8, 252038720), (10, 201630976), (16, 126019360), (20, 100815488), (32, 63009680), (40, 50407744), (64, 31504840), (80, 25203872), (128, 15752420), (160, 12601936), (256, 7876210), (320, 6300968), (512, 3938105), (640, 3150484), (1280, 1575242), (2560, 787621)]