55171220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{479}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 125314560

約数和(自身を除く): 70143340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 479, 886, 958, 1772, 1916, 2215, 2395, 4430, 4790, 5759, 6227, 8860, 9580, 11518, 12454, 23036, 24908, 28795, 31135, 57590, 62270, 115180, 124540, 212197, 424394, 848788, 1060985, 2121970, 2758561, 4243940, 5517122, 11034244, 13792805, 27585610, 55171220]

約数ペア:

[(1, 55171220), (2, 27585610), (4, 13792805), (5, 11034244), (10, 5517122), (13, 4243940), (20, 2758561), (26, 2121970), (52, 1060985), (65, 848788), (130, 424394), (260, 212197), (443, 124540), (479, 115180), (886, 62270), (958, 57590), (1772, 31135), (1916, 28795), (2215, 24908), (2395, 23036), (4430, 12454), (4790, 11518), (5759, 9580), (6227, 8860)]