65005600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 177176160

約数和(自身を除く): 112170560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 83, 88, 89, 100, 110, 160, 166, 176, 178, 200, 220, 275, 332, 352, 356, 400, 415, 440, 445, 550, 664, 712, 800, 830, 880, 890, 913, 979, 1100, 1328, 1424, 1660, 1760, 1780, 1826, 1958, 2075, 2200, 2225, 2656, 2848, 3320, 3560, 3652, 3916, 4150, 4400, 4450, 4565, 4895, 6640, 7120, 7304, 7387, 7832, 8300, 8800, 8900, 9130, 9790, 13280, 14240, 14608, 14774, 15664, 16600, 17800, 18260, 19580, 22825, 24475, 29216, 29548, 31328, 33200, 35600, 36520, 36935, 39160, 45650, 48950, 59096, 66400, 71200, 73040, 73870, 78320, 81257, 91300, 97900, 118192, 146080, 147740, 156640, 162514, 182600, 184675, 195800, 236384, 295480, 325028, 365200, 369350, 391600, 406285, 590960, 650056, 730400, 738700, 783200, 812570, 1181920, 1300112, 1477400, 1625140, 2031425, 2600224, 2954800, 3250280, 4062850, 5909600, 6500560, 8125700, 13001120, 16251400, 32502800, 65005600]

約数ペア:

[(1, 65005600), (2, 32502800), (4, 16251400), (5, 13001120), (8, 8125700), (10, 6500560), (11, 5909600), (16, 4062850), (20, 3250280), (22, 2954800), (25, 2600224), (32, 2031425), (40, 1625140), (44, 1477400), (50, 1300112), (55, 1181920), (80, 812570), (83, 783200), (88, 738700), (89, 730400), (100, 650056), (110, 590960), (160, 406285), (166, 391600), (176, 369350), (178, 365200), (200, 325028), (220, 295480), (275, 236384), (332, 195800), (352, 184675), (356, 182600), (400, 162514), (415, 156640), (440, 147740), (445, 146080), (550, 118192), (664, 97900), (712, 91300), (800, 81257), (830, 78320), (880, 73870), (890, 73040), (913, 71200), (979, 66400), (1100, 59096), (1328, 48950), (1424, 45650), (1660, 39160), (1760, 36935), (1780, 36520), (1826, 35600), (1958, 33200), (2075, 31328), (2200, 29548), (2225, 29216), (2656, 24475), (2848, 22825), (3320, 19580), (3560, 18260), (3652, 17800), (3916, 16600), (4150, 15664), (4400, 14774), (4450, 14608), (4565, 14240), (4895, 13280), (6640, 9790), (7120, 9130), (7304, 8900), (7387, 8800), (7832, 8300)]