12351440

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{853}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 28909608

約数和(自身を除く): 16558168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 853, 905, 1448, 1706, 1810, 2896, 3412, 3620, 4265, 6824, 7240, 8530, 13648, 14480, 17060, 34120, 68240, 154393, 308786, 617572, 771965, 1235144, 1543930, 2470288, 3087860, 6175720, 12351440]

約数ペア:

[(1, 12351440), (2, 6175720), (4, 3087860), (5, 2470288), (8, 1543930), (10, 1235144), (16, 771965), (20, 617572), (40, 308786), (80, 154393), (181, 68240), (362, 34120), (724, 17060), (853, 14480), (905, 13648), (1448, 8530), (1706, 7240), (1810, 6824), (2896, 4265), (3412, 3620)]