212845760

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16223}}^1$

素因数の和:16281

約数の個数: 56

約数和(自身を含む): 519232896

約数和(自身を除く): 306387136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 16223, 32446, 64892, 81115, 129784, 162230, 259568, 324460, 519136, 648920, 665143, 1038272, 1297840, 1330286, 2595680, 2660572, 3325715, 5191360, 5321144, 6651430, 10642288, 13302860, 21284576, 26605720, 42569152, 53211440, 106422880, 212845760]

約数ペア:

[(1, 212845760), (2, 106422880), (4, 53211440), (5, 42569152), (8, 26605720), (10, 21284576), (16, 13302860), (20, 10642288), (32, 6651430), (40, 5321144), (41, 5191360), (64, 3325715), (80, 2660572), (82, 2595680), (160, 1330286), (164, 1297840), (205, 1038272), (320, 665143), (328, 648920), (410, 519136), (656, 324460), (820, 259568), (1312, 162230), (1640, 129784), (2624, 81115), (3280, 64892), (6560, 32446), (13120, 16223)]