40268120

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1523}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 90799920

約数和(自身を除く): 50531800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 1523, 2644, 3046, 3305, 5288, 6092, 6610, 7615, 12184, 13220, 15230, 26440, 30460, 60920, 1006703, 2013406, 4026812, 5033515, 8053624, 10067030, 20134060, 40268120]

約数ペア:

[(1, 40268120), (2, 20134060), (4, 10067030), (5, 8053624), (8, 5033515), (10, 4026812), (20, 2013406), (40, 1006703), (661, 60920), (1322, 30460), (1523, 26440), (2644, 15230), (3046, 13220), (3305, 12184), (5288, 7615), (6092, 6610)]