38712500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 89681760

約数和(自身を除く): 50969260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 163, 190, 250, 326, 380, 475, 500, 625, 652, 815, 950, 1250, 1630, 1900, 2375, 2500, 3097, 3125, 3260, 4075, 4750, 6194, 6250, 8150, 9500, 11875, 12388, 12500, 15485, 16300, 20375, 23750, 30970, 40750, 47500, 59375, 61940, 77425, 81500, 101875, 118750, 154850, 203750, 237500, 309700, 387125, 407500, 509375, 774250, 1018750, 1548500, 1935625, 2037500, 3871250, 7742500, 9678125, 19356250, 38712500]

約数ペア:

[(1, 38712500), (2, 19356250), (4, 9678125), (5, 7742500), (10, 3871250), (19, 2037500), (20, 1935625), (25, 1548500), (38, 1018750), (50, 774250), (76, 509375), (95, 407500), (100, 387125), (125, 309700), (163, 237500), (190, 203750), (250, 154850), (326, 118750), (380, 101875), (475, 81500), (500, 77425), (625, 61940), (652, 59375), (815, 47500), (950, 40750), (1250, 30970), (1630, 23750), (1900, 20375), (2375, 16300), (2500, 15485), (3097, 12500), (3125, 12388), (3260, 11875), (4075, 9500), (4750, 8150), (6194, 6250)]