19881660800

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^1\times {\mathrm{327001}}^1$

素因数の和:327044

約数の個数: 96

約数和(自身を含む): 51699016200

約数和(自身を除く): 31817355400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 304, 320, 380, 400, 475, 608, 640, 760, 800, 950, 1216, 1520, 1600, 1900, 2432, 3040, 3200, 3800, 6080, 7600, 12160, 15200, 30400, 60800, 327001, 654002, 1308004, 1635005, 2616008, 3270010, 5232016, 6213019, 6540020, 8175025, 10464032, 12426038, 13080040, 16350050, 20928064, 24852076, 26160080, 31065095, 32700100, 41856128, 49704152, 52320160, 62130190, 65400200, 99408304, 104640320, 124260380, 130800400, 155325475, 198816608, 209280640, 248520760, 261600800, 310650950, 397633216, 497041520, 523201600, 621301900, 795266432, 994083040, 1046403200, 1242603800, 1988166080, 2485207600, 3976332160, 4970415200, 9940830400, 19881660800]

約数ペア:

[(1, 19881660800), (2, 9940830400), (4, 4970415200), (5, 3976332160), (8, 2485207600), (10, 1988166080), (16, 1242603800), (19, 1046403200), (20, 994083040), (25, 795266432), (32, 621301900), (38, 523201600), (40, 497041520), (50, 397633216), (64, 310650950), (76, 261600800), (80, 248520760), (95, 209280640), (100, 198816608), (128, 155325475), (152, 130800400), (160, 124260380), (190, 104640320), (200, 99408304), (304, 65400200), (320, 62130190), (380, 52320160), (400, 49704152), (475, 41856128), (608, 32700100), (640, 31065095), (760, 26160080), (800, 24852076), (950, 20928064), (1216, 16350050), (1520, 13080040), (1600, 12426038), (1900, 10464032), (2432, 8175025), (3040, 6540020), (3200, 6213019), (3800, 5232016), (6080, 3270010), (7600, 2616008), (12160, 1635005), (15200, 1308004), (30400, 654002), (60800, 327001)]