27201920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2237}}^1$

素因数の和:2275

約数の個数: 64

約数和(自身を含む): 68482800

約数和(自身を除く): 41280880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2237, 2432, 3040, 4474, 6080, 8948, 11185, 12160, 17896, 22370, 35792, 42503, 44740, 71584, 85006, 89480, 143168, 170012, 178960, 212515, 286336, 340024, 357920, 425030, 680048, 715840, 850060, 1360096, 1431680, 1700120, 2720192, 3400240, 5440384, 6800480, 13600960, 27201920]

約数ペア:

[(1, 27201920), (2, 13600960), (4, 6800480), (5, 5440384), (8, 3400240), (10, 2720192), (16, 1700120), (19, 1431680), (20, 1360096), (32, 850060), (38, 715840), (40, 680048), (64, 425030), (76, 357920), (80, 340024), (95, 286336), (128, 212515), (152, 178960), (160, 170012), (190, 143168), (304, 89480), (320, 85006), (380, 71584), (608, 44740), (640, 42503), (760, 35792), (1216, 22370), (1520, 17896), (2237, 12160), (2432, 11185), (3040, 8948), (4474, 6080)]