40739840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 88

約数和(自身を含む): 99975480

約数和(自身を除く): 59235640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 109, 128, 146, 160, 218, 256, 292, 320, 365, 436, 512, 545, 584, 640, 730, 872, 1024, 1090, 1168, 1280, 1460, 1744, 2180, 2336, 2560, 2920, 3488, 4360, 4672, 5120, 5840, 6976, 7957, 8720, 9344, 11680, 13952, 15914, 17440, 18688, 23360, 27904, 31828, 34880, 37376, 39785, 46720, 55808, 63656, 69760, 74752, 79570, 93440, 111616, 127312, 139520, 159140, 186880, 254624, 279040, 318280, 373760, 509248, 558080, 636560, 1018496, 1273120, 2036992, 2546240, 4073984, 5092480, 8147968, 10184960, 20369920, 40739840]

約数ペア:

[(1, 40739840), (2, 20369920), (4, 10184960), (5, 8147968), (8, 5092480), (10, 4073984), (16, 2546240), (20, 2036992), (32, 1273120), (40, 1018496), (64, 636560), (73, 558080), (80, 509248), (109, 373760), (128, 318280), (146, 279040), (160, 254624), (218, 186880), (256, 159140), (292, 139520), (320, 127312), (365, 111616), (436, 93440), (512, 79570), (545, 74752), (584, 69760), (640, 63656), (730, 55808), (872, 46720), (1024, 39785), (1090, 37376), (1168, 34880), (1280, 31828), (1460, 27904), (1744, 23360), (2180, 18688), (2336, 17440), (2560, 15914), (2920, 13952), (3488, 11680), (4360, 9344), (4672, 8720), (5120, 7957), (5840, 6976)]