39580240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 120

約数和(自身を含む): 111957120

約数和(自身を除く): 72376880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 439, 460, 490, 560, 644, 784, 805, 878, 920, 980, 1127, 1288, 1610, 1756, 1840, 1960, 2195, 2254, 2576, 3073, 3220, 3512, 3920, 4390, 4508, 5635, 6146, 6440, 7024, 8780, 9016, 10097, 11270, 12292, 12880, 15365, 17560, 18032, 20194, 21511, 22540, 24584, 30730, 35120, 40388, 43022, 45080, 49168, 50485, 61460, 70679, 80776, 86044, 90160, 100970, 107555, 122920, 141358, 161552, 172088, 201940, 215110, 245840, 282716, 344176, 353395, 403880, 430220, 494753, 565432, 706790, 807760, 860440, 989506, 1130864, 1413580, 1720880, 1979012, 2473765, 2827160, 3958024, 4947530, 5654320, 7916048, 9895060, 19790120, 39580240]

約数ペア:

[(1, 39580240), (2, 19790120), (4, 9895060), (5, 7916048), (7, 5654320), (8, 4947530), (10, 3958024), (14, 2827160), (16, 2473765), (20, 1979012), (23, 1720880), (28, 1413580), (35, 1130864), (40, 989506), (46, 860440), (49, 807760), (56, 706790), (70, 565432), (80, 494753), (92, 430220), (98, 403880), (112, 353395), (115, 344176), (140, 282716), (161, 245840), (184, 215110), (196, 201940), (230, 172088), (245, 161552), (280, 141358), (322, 122920), (368, 107555), (392, 100970), (439, 90160), (460, 86044), (490, 80776), (560, 70679), (644, 61460), (784, 50485), (805, 49168), (878, 45080), (920, 43022), (980, 40388), (1127, 35120), (1288, 30730), (1610, 24584), (1756, 22540), (1840, 21511), (1960, 20194), (2195, 18032), (2254, 17560), (2576, 15365), (3073, 12880), (3220, 12292), (3512, 11270), (3920, 10097), (4390, 9016), (4508, 8780), (5635, 7024), (6146, 6440)]