143680

素因数分解:

$2^6\times 5^1\times {\mathrm{449}}^1$

素因数の和:466

約数の個数: 28

約数和(自身を含む): 342900

約数和(自身を除く): 199220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 449, 898, 1796, 2245, 3592, 4490, 7184, 8980, 14368, 17960, 28736, 35920, 71840, 143680]

約数ペア:

[(1, 143680), (2, 71840), (4, 35920), (5, 28736), (8, 17960), (10, 14368), (16, 8980), (20, 7184), (32, 4490), (40, 3592), (64, 2245), (80, 1796), (160, 898), (320, 449)]