51920440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 142430400

約数和(自身を除く): 90509960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 29, 40, 44, 52, 55, 58, 65, 88, 104, 110, 116, 130, 143, 145, 220, 232, 260, 286, 290, 313, 319, 377, 440, 520, 572, 580, 626, 638, 715, 754, 1144, 1160, 1252, 1276, 1430, 1508, 1565, 1595, 1885, 2504, 2552, 2860, 3016, 3130, 3190, 3443, 3770, 4069, 4147, 5720, 6260, 6380, 6886, 7540, 8138, 8294, 9077, 12520, 12760, 13772, 15080, 16276, 16588, 17215, 18154, 20345, 20735, 27544, 32552, 33176, 34430, 36308, 40690, 41470, 44759, 45385, 68860, 72616, 81380, 82940, 89518, 90770, 99847, 118001, 137720, 162760, 165880, 179036, 181540, 199694, 223795, 236002, 358072, 363080, 399388, 447590, 472004, 499235, 590005, 798776, 895180, 944008, 998470, 1180010, 1298011, 1790360, 1996940, 2360020, 2596022, 3993880, 4720040, 5192044, 6490055, 10384088, 12980110, 25960220, 51920440]

約数ペア:

[(1, 51920440), (2, 25960220), (4, 12980110), (5, 10384088), (8, 6490055), (10, 5192044), (11, 4720040), (13, 3993880), (20, 2596022), (22, 2360020), (26, 1996940), (29, 1790360), (40, 1298011), (44, 1180010), (52, 998470), (55, 944008), (58, 895180), (65, 798776), (88, 590005), (104, 499235), (110, 472004), (116, 447590), (130, 399388), (143, 363080), (145, 358072), (220, 236002), (232, 223795), (260, 199694), (286, 181540), (290, 179036), (313, 165880), (319, 162760), (377, 137720), (440, 118001), (520, 99847), (572, 90770), (580, 89518), (626, 82940), (638, 81380), (715, 72616), (754, 68860), (1144, 45385), (1160, 44759), (1252, 41470), (1276, 40690), (1430, 36308), (1508, 34430), (1565, 33176), (1595, 32552), (1885, 27544), (2504, 20735), (2552, 20345), (2860, 18154), (3016, 17215), (3130, 16588), (3190, 16276), (3443, 15080), (3770, 13772), (4069, 12760), (4147, 12520), (5720, 9077), (6260, 8294), (6380, 8138), (6886, 7540)]