12417280

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 30353400

約数和(自身を除く): 17936120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 109, 128, 160, 178, 218, 256, 320, 356, 436, 445, 545, 640, 712, 872, 890, 1090, 1280, 1424, 1744, 1780, 2180, 2848, 3488, 3560, 4360, 5696, 6976, 7120, 8720, 9701, 11392, 13952, 14240, 17440, 19402, 22784, 27904, 28480, 34880, 38804, 48505, 56960, 69760, 77608, 97010, 113920, 139520, 155216, 194020, 310432, 388040, 620864, 776080, 1241728, 1552160, 2483456, 3104320, 6208640, 12417280]

約数ペア:

[(1, 12417280), (2, 6208640), (4, 3104320), (5, 2483456), (8, 1552160), (10, 1241728), (16, 776080), (20, 620864), (32, 388040), (40, 310432), (64, 194020), (80, 155216), (89, 139520), (109, 113920), (128, 97010), (160, 77608), (178, 69760), (218, 56960), (256, 48505), (320, 38804), (356, 34880), (436, 28480), (445, 27904), (545, 22784), (640, 19402), (712, 17440), (872, 14240), (890, 13952), (1090, 11392), (1280, 9701), (1424, 8720), (1744, 7120), (1780, 6976), (2180, 5696), (2848, 4360), (3488, 3560)]