85420280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2339}}^1$

素因数の和:2444

約数の個数: 64

約数和(自身を含む): 212284800

約数和(自身を除く): 126864520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 440, 664, 830, 913, 1660, 1826, 2339, 3320, 3652, 4565, 4678, 7304, 9130, 9356, 11695, 18260, 18712, 23390, 25729, 36520, 46780, 51458, 93560, 102916, 128645, 194137, 205832, 257290, 388274, 514580, 776548, 970685, 1029160, 1553096, 1941370, 2135507, 3882740, 4271014, 7765480, 8542028, 10677535, 17084056, 21355070, 42710140, 85420280]

約数ペア:

[(1, 85420280), (2, 42710140), (4, 21355070), (5, 17084056), (8, 10677535), (10, 8542028), (11, 7765480), (20, 4271014), (22, 3882740), (40, 2135507), (44, 1941370), (55, 1553096), (83, 1029160), (88, 970685), (110, 776548), (166, 514580), (220, 388274), (332, 257290), (415, 205832), (440, 194137), (664, 128645), (830, 102916), (913, 93560), (1660, 51458), (1826, 46780), (2339, 36520), (3320, 25729), (3652, 23390), (4565, 18712), (4678, 18260), (7304, 11695), (9130, 9356)]