2116779520

素因数分解:

$2^9\times 5^1\times {\mathrm{826867}}^1$

素因数の和:826890

約数の個数: 40

約数和(自身を含む): 5075315784

約数和(自身を除く): 2958536264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 826867, 1653734, 3307468, 4134335, 6614936, 8268670, 13229872, 16537340, 26459744, 33074680, 52919488, 66149360, 105838976, 132298720, 211677952, 264597440, 423355904, 529194880, 1058389760, 2116779520]

約数ペア:

[(1, 2116779520), (2, 1058389760), (4, 529194880), (5, 423355904), (8, 264597440), (10, 211677952), (16, 132298720), (20, 105838976), (32, 66149360), (40, 52919488), (64, 33074680), (80, 26459744), (128, 16537340), (160, 13229872), (256, 8268670), (320, 6614936), (512, 4134335), (640, 3307468), (1280, 1653734), (2560, 826867)]