81380800

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2677}}^1$

素因数の和:2718

約数の個数: 84

約数和(自身を含む): 210865720

約数和(自身を除く): 129484920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 152, 160, 190, 200, 304, 320, 380, 400, 475, 608, 760, 800, 950, 1216, 1520, 1600, 1900, 2677, 3040, 3800, 5354, 6080, 7600, 10708, 13385, 15200, 21416, 26770, 30400, 42832, 50863, 53540, 66925, 85664, 101726, 107080, 133850, 171328, 203452, 214160, 254315, 267700, 406904, 428320, 508630, 535400, 813808, 856640, 1017260, 1070800, 1271575, 1627616, 2034520, 2141600, 2543150, 3255232, 4069040, 4283200, 5086300, 8138080, 10172600, 16276160, 20345200, 40690400, 81380800]

約数ペア:

[(1, 81380800), (2, 40690400), (4, 20345200), (5, 16276160), (8, 10172600), (10, 8138080), (16, 5086300), (19, 4283200), (20, 4069040), (25, 3255232), (32, 2543150), (38, 2141600), (40, 2034520), (50, 1627616), (64, 1271575), (76, 1070800), (80, 1017260), (95, 856640), (100, 813808), (152, 535400), (160, 508630), (190, 428320), (200, 406904), (304, 267700), (320, 254315), (380, 214160), (400, 203452), (475, 171328), (608, 133850), (760, 107080), (800, 101726), (950, 85664), (1216, 66925), (1520, 53540), (1600, 50863), (1900, 42832), (2677, 30400), (3040, 26770), (3800, 21416), (5354, 15200), (6080, 13385), (7600, 10708)]