20088076880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1\times {\mathrm{7949}}^1$

素因数の和:9012

約数の個数: 80

約数和(自身を含む): 48264768000

約数和(自身を除く): 28176691120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1019, 1240, 2038, 2480, 4076, 5095, 7949, 8152, 10190, 15898, 16304, 20380, 31589, 31796, 39745, 40760, 63178, 63592, 79490, 81520, 126356, 127184, 157945, 158980, 246419, 252712, 315890, 317960, 492838, 505424, 631780, 635920, 985676, 1232095, 1263560, 1971352, 2464190, 2527120, 3942704, 4928380, 8100031, 9856760, 16200062, 19713520, 32400124, 40500155, 64800248, 81000310, 129600496, 162000620, 251100961, 324001240, 502201922, 648002480, 1004403844, 1255504805, 2008807688, 2511009610, 4017615376, 5022019220, 10044038440, 20088076880]

約数ペア:

[(1, 20088076880), (2, 10044038440), (4, 5022019220), (5, 4017615376), (8, 2511009610), (10, 2008807688), (16, 1255504805), (20, 1004403844), (31, 648002480), (40, 502201922), (62, 324001240), (80, 251100961), (124, 162000620), (155, 129600496), (248, 81000310), (310, 64800248), (496, 40500155), (620, 32400124), (1019, 19713520), (1240, 16200062), (2038, 9856760), (2480, 8100031), (4076, 4928380), (5095, 3942704), (7949, 2527120), (8152, 2464190), (10190, 1971352), (15898, 1263560), (16304, 1232095), (20380, 985676), (31589, 635920), (31796, 631780), (39745, 505424), (40760, 492838), (63178, 317960), (63592, 315890), (79490, 252712), (81520, 246419), (126356, 158980), (127184, 157945)]