55665940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2843}}^1$

素因数の和:2952

約数の個数: 48

約数和(自身を含む): 129003840

約数和(自身を除く): 73337900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2843, 3916, 4895, 5686, 9790, 11372, 14215, 19580, 28430, 31273, 56860, 62546, 125092, 156365, 253027, 312730, 506054, 625460, 1012108, 1265135, 2530270, 2783297, 5060540, 5566594, 11133188, 13916485, 27832970, 55665940]

約数ペア:

[(1, 55665940), (2, 27832970), (4, 13916485), (5, 11133188), (10, 5566594), (11, 5060540), (20, 2783297), (22, 2530270), (44, 1265135), (55, 1012108), (89, 625460), (110, 506054), (178, 312730), (220, 253027), (356, 156365), (445, 125092), (890, 62546), (979, 56860), (1780, 31273), (1958, 28430), (2843, 19580), (3916, 14215), (4895, 11372), (5686, 9790)]