38647040

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 93758280

約数和(自身を除く): 55111240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 277, 320, 436, 545, 554, 640, 872, 1090, 1108, 1280, 1385, 1744, 2180, 2216, 2770, 3488, 4360, 4432, 5540, 6976, 8720, 8864, 11080, 13952, 17440, 17728, 22160, 27904, 30193, 34880, 35456, 44320, 60386, 69760, 70912, 88640, 120772, 139520, 150965, 177280, 241544, 301930, 354560, 483088, 603860, 966176, 1207720, 1932352, 2415440, 3864704, 4830880, 7729408, 9661760, 19323520, 38647040]

約数ペア:

[(1, 38647040), (2, 19323520), (4, 9661760), (5, 7729408), (8, 4830880), (10, 3864704), (16, 2415440), (20, 1932352), (32, 1207720), (40, 966176), (64, 603860), (80, 483088), (109, 354560), (128, 301930), (160, 241544), (218, 177280), (256, 150965), (277, 139520), (320, 120772), (436, 88640), (545, 70912), (554, 69760), (640, 60386), (872, 44320), (1090, 35456), (1108, 34880), (1280, 30193), (1385, 27904), (1744, 22160), (2180, 17728), (2216, 17440), (2770, 13952), (3488, 11080), (4360, 8864), (4432, 8720), (5540, 6976)]