129746480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37717}}^1$

素因数の和:37773

約数の個数: 40

約数和(自身を含む): 308684112

約数和(自身を除く): 178937632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 37717, 75434, 150868, 188585, 301736, 377170, 603472, 754340, 1508680, 1621831, 3017360, 3243662, 6487324, 8109155, 12974648, 16218310, 25949296, 32436620, 64873240, 129746480]

約数ペア:

[(1, 129746480), (2, 64873240), (4, 32436620), (5, 25949296), (8, 16218310), (10, 12974648), (16, 8109155), (20, 6487324), (40, 3243662), (43, 3017360), (80, 1621831), (86, 1508680), (172, 754340), (215, 603472), (344, 377170), (430, 301736), (688, 188585), (860, 150868), (1720, 75434), (3440, 37717)]