29970040

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1097}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 67592880

約数和(自身を除く): 37622840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1097, 1366, 2194, 2732, 3415, 4388, 5464, 5485, 6830, 8776, 10970, 13660, 21940, 27320, 43880, 749251, 1498502, 2997004, 3746255, 5994008, 7492510, 14985020, 29970040]

約数ペア:

[(1, 29970040), (2, 14985020), (4, 7492510), (5, 5994008), (8, 3746255), (10, 2997004), (20, 1498502), (40, 749251), (683, 43880), (1097, 27320), (1366, 21940), (2194, 13660), (2732, 10970), (3415, 8776), (4388, 6830), (5464, 5485)]