13238480

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1303}}^1$

素因数の和:1443

約数の個数: 40

約数和(自身を含む): 31045632

約数和(自身を除く): 17807152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1303, 2032, 2540, 2606, 5080, 5212, 6515, 10160, 10424, 13030, 20848, 26060, 52120, 104240, 165481, 330962, 661924, 827405, 1323848, 1654810, 2647696, 3309620, 6619240, 13238480]

約数ペア:

[(1, 13238480), (2, 6619240), (4, 3309620), (5, 2647696), (8, 1654810), (10, 1323848), (16, 827405), (20, 661924), (40, 330962), (80, 165481), (127, 104240), (254, 52120), (508, 26060), (635, 20848), (1016, 13030), (1270, 10424), (1303, 10160), (2032, 6515), (2540, 5212), (2606, 5080)]