103951280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68389}}^1$

素因数の和:68421

約数の個数: 40

約数和(自身を含む): 254410800

約数和(自身を除く): 150459520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 68389, 136778, 273556, 341945, 547112, 683890, 1094224, 1299391, 1367780, 2598782, 2735560, 5197564, 5471120, 6496955, 10395128, 12993910, 20790256, 25987820, 51975640, 103951280]

約数ペア:

[(1, 103951280), (2, 51975640), (4, 25987820), (5, 20790256), (8, 12993910), (10, 10395128), (16, 6496955), (19, 5471120), (20, 5197564), (38, 2735560), (40, 2598782), (76, 1367780), (80, 1299391), (95, 1094224), (152, 683890), (190, 547112), (304, 341945), (380, 273556), (760, 136778), (1520, 68389)]