28615400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13007}}^1$

素因数の和:13034

約数の個数: 48

約数和(自身を含む): 72584640

約数和(自身を除く): 43969240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 13007, 26014, 52028, 65035, 104056, 130070, 143077, 260140, 286154, 325175, 520280, 572308, 650350, 715385, 1144616, 1300700, 1430770, 2601400, 2861540, 3576925, 5723080, 7153850, 14307700, 28615400]

約数ペア:

[(1, 28615400), (2, 14307700), (4, 7153850), (5, 5723080), (8, 3576925), (10, 2861540), (11, 2601400), (20, 1430770), (22, 1300700), (25, 1144616), (40, 715385), (44, 650350), (50, 572308), (55, 520280), (88, 325175), (100, 286154), (110, 260140), (200, 143077), (220, 130070), (275, 104056), (440, 65035), (550, 52028), (1100, 26014), (2200, 13007)]