12799659520

素因数分解:

$2^9\times 5^1\times {\mathrm{4999867}}^1$

素因数の和:4999890

約数の個数: 40

約数和(自身を含む): 30689189784

約数和(自身を除く): 17889530264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 4999867, 9999734, 19999468, 24999335, 39998936, 49998670, 79997872, 99997340, 159995744, 199994680, 319991488, 399989360, 639982976, 799978720, 1279965952, 1599957440, 2559931904, 3199914880, 6399829760, 12799659520]

約数ペア:

[(1, 12799659520), (2, 6399829760), (4, 3199914880), (5, 2559931904), (8, 1599957440), (10, 1279965952), (16, 799978720), (20, 639982976), (32, 399989360), (40, 319991488), (64, 199994680), (80, 159995744), (128, 99997340), (160, 79997872), (256, 49998670), (320, 39998936), (512, 24999335), (640, 19999468), (1280, 9999734), (2560, 4999867)]