171640360

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{4211}}^1$

素因数の和:5241

約数の個数: 32

約数和(自身を含む): 386661600

約数和(自身を除く): 215021240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 4076, 4211, 5095, 8152, 8422, 10190, 16844, 20380, 21055, 33688, 40760, 42110, 84220, 168440, 4291009, 8582018, 17164036, 21455045, 34328072, 42910090, 85820180, 171640360]

約数ペア:

[(1, 171640360), (2, 85820180), (4, 42910090), (5, 34328072), (8, 21455045), (10, 17164036), (20, 8582018), (40, 4291009), (1019, 168440), (2038, 84220), (4076, 42110), (4211, 40760), (5095, 33688), (8152, 21055), (8422, 20380), (10190, 16844)]