248575120

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{23719}}^1$

素因数の和:23863

約数の個数: 40

約数和(自身を含む): 582373440

約数和(自身を除く): 333798320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 23719, 47438, 94876, 118595, 189752, 237190, 379504, 474380, 948760, 1897520, 3107189, 6214378, 12428756, 15535945, 24857512, 31071890, 49715024, 62143780, 124287560, 248575120]

約数ペア:

[(1, 248575120), (2, 124287560), (4, 62143780), (5, 49715024), (8, 31071890), (10, 24857512), (16, 15535945), (20, 12428756), (40, 6214378), (80, 3107189), (131, 1897520), (262, 948760), (524, 474380), (655, 379504), (1048, 237190), (1310, 189752), (2096, 118595), (2620, 94876), (5240, 47438), (10480, 23719)]