83480380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{58789}}^1$

素因数の和:58869

約数の個数: 24

約数和(自身を含む): 177780960

約数和(自身を除く): 94300580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 58789, 117578, 235156, 293945, 587890, 1175780, 4174019, 8348038, 16696076, 20870095, 41740190, 83480380]

約数ペア:

[(1, 83480380), (2, 41740190), (4, 20870095), (5, 16696076), (10, 8348038), (20, 4174019), (71, 1175780), (142, 587890), (284, 293945), (355, 235156), (710, 117578), (1420, 58789)]