2019358720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{197203}}^1$

素因数の和:197230

約数の個数: 48

約数和(自身を含む): 4845302280

約数和(自身を除く): 2825943560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 197203, 394406, 788812, 986015, 1577624, 1972030, 3155248, 3944060, 6310496, 7888120, 12620992, 15776240, 25241984, 31552480, 50483968, 63104960, 100967936, 126209920, 201935872, 252419840, 403871744, 504839680, 1009679360, 2019358720]

約数ペア:

[(1, 2019358720), (2, 1009679360), (4, 504839680), (5, 403871744), (8, 252419840), (10, 201935872), (16, 126209920), (20, 100967936), (32, 63104960), (40, 50483968), (64, 31552480), (80, 25241984), (128, 15776240), (160, 12620992), (256, 7888120), (320, 6310496), (512, 3944060), (640, 3155248), (1024, 1972030), (1280, 1577624), (2048, 986015), (2560, 788812), (5120, 394406), (10240, 197203)]