487632920

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{18443}}^1$

素因数の和:19115

約数の個数: 32

約数和(自身を含む): 1098893520

約数和(自身を除く): 611260600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 13220, 18443, 26440, 36886, 73772, 92215, 147544, 184430, 368860, 737720, 12190823, 24381646, 48763292, 60954115, 97526584, 121908230, 243816460, 487632920]

約数ペア:

[(1, 487632920), (2, 243816460), (4, 121908230), (5, 97526584), (8, 60954115), (10, 48763292), (20, 24381646), (40, 12190823), (661, 737720), (1322, 368860), (2644, 184430), (3305, 147544), (5288, 92215), (6610, 73772), (13220, 36886), (18443, 26440)]