128266055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 172800000

約数和(自身を除く): 44533945

約数列:

[1, 5, 19, 23, 47, 95, 115, 235, 437, 893, 1081, 1249, 2185, 4465, 5405, 6245, 20539, 23731, 28727, 58703, 102695, 118655, 143635, 293515, 545813, 1115357, 1350169, 2729065, 5576785, 6750845, 25653211, 128266055]

約数ペア:

[(1, 128266055), (5, 25653211), (19, 6750845), (23, 5576785), (47, 2729065), (95, 1350169), (115, 1115357), (235, 545813), (437, 293515), (893, 143635), (1081, 118655), (1249, 102695), (2185, 58703), (4465, 28727), (5405, 23731), (6245, 20539)]