38391040

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 93267720

約数和(自身を除く): 54876680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 337, 356, 445, 640, 674, 712, 890, 1280, 1348, 1424, 1685, 1780, 2696, 2848, 3370, 3560, 5392, 5696, 6740, 7120, 10784, 11392, 13480, 14240, 21568, 22784, 26960, 28480, 29993, 43136, 53920, 56960, 59986, 86272, 107840, 113920, 119972, 149965, 215680, 239944, 299930, 431360, 479888, 599860, 959776, 1199720, 1919552, 2399440, 3839104, 4798880, 7678208, 9597760, 19195520, 38391040]

約数ペア:

[(1, 38391040), (2, 19195520), (4, 9597760), (5, 7678208), (8, 4798880), (10, 3839104), (16, 2399440), (20, 1919552), (32, 1199720), (40, 959776), (64, 599860), (80, 479888), (89, 431360), (128, 299930), (160, 239944), (178, 215680), (256, 149965), (320, 119972), (337, 113920), (356, 107840), (445, 86272), (640, 59986), (674, 56960), (712, 53920), (890, 43136), (1280, 29993), (1348, 28480), (1424, 26960), (1685, 22784), (1780, 21568), (2696, 14240), (2848, 13480), (3370, 11392), (3560, 10784), (5392, 7120), (5696, 6740)]