128213661640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{29956463}}^1$

素因数の和:29956581

約数の個数: 32

約数和(自身を含む): 291176830080

約数和(自身を除く): 162963168440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 29956463, 59912926, 119825852, 149782315, 239651704, 299564630, 599129260, 1198258520, 3205341541, 6410683082, 12821366164, 16026707705, 25642732328, 32053415410, 64106830820, 128213661640]

約数ペア:

[(1, 128213661640), (2, 64106830820), (4, 32053415410), (5, 25642732328), (8, 16026707705), (10, 12821366164), (20, 6410683082), (40, 3205341541), (107, 1198258520), (214, 599129260), (428, 299564630), (535, 239651704), (856, 149782315), (1070, 119825852), (2140, 59912926), (4280, 29956463)]