12009040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3547

約数の個数: 40

約数和(自身を含む): 28578528

約数和(自身を除く): 16569488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3491, 6982, 13964, 17455, 27928, 34910, 55856, 69820, 139640, 150113, 279280, 300226, 600452, 750565, 1200904, 1501130, 2401808, 3002260, 6004520, 12009040]

約数ペア:

[(1, 12009040), (2, 6004520), (4, 3002260), (5, 2401808), (8, 1501130), (10, 1200904), (16, 750565), (20, 600452), (40, 300226), (43, 279280), (80, 150113), (86, 139640), (172, 69820), (215, 55856), (344, 34910), (430, 27928), (688, 17455), (860, 13964), (1720, 6982), (3440, 3491)]