65177920

素因数分解:

$2^6\times 5^1\times {\mathrm{353}}^1\times {\mathrm{577}}^1$

素因数の和:947

約数の個数: 56

約数和(自身を含む): 155914344

約数和(自身を除く): 90736424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 353, 577, 706, 1154, 1412, 1765, 2308, 2824, 2885, 3530, 4616, 5648, 5770, 7060, 9232, 11296, 11540, 14120, 18464, 22592, 23080, 28240, 36928, 46160, 56480, 92320, 112960, 184640, 203681, 407362, 814724, 1018405, 1629448, 2036810, 3258896, 4073620, 6517792, 8147240, 13035584, 16294480, 32588960, 65177920]

約数ペア:

[(1, 65177920), (2, 32588960), (4, 16294480), (5, 13035584), (8, 8147240), (10, 6517792), (16, 4073620), (20, 3258896), (32, 2036810), (40, 1629448), (64, 1018405), (80, 814724), (160, 407362), (320, 203681), (353, 184640), (577, 112960), (706, 92320), (1154, 56480), (1412, 46160), (1765, 36928), (2308, 28240), (2824, 23080), (2885, 22592), (3530, 18464), (4616, 14120), (5648, 11540), (5770, 11296), (7060, 9232)]