61940000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 120

約数和(自身を含む): 161385840

約数和(自身を除く): 99445840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 163, 190, 200, 250, 304, 326, 380, 400, 475, 500, 608, 625, 652, 760, 800, 815, 950, 1000, 1250, 1304, 1520, 1630, 1900, 2000, 2375, 2500, 2608, 3040, 3097, 3260, 3800, 4000, 4075, 4750, 5000, 5216, 6194, 6520, 7600, 8150, 9500, 10000, 11875, 12388, 13040, 15200, 15485, 16300, 19000, 20000, 20375, 23750, 24776, 26080, 30970, 32600, 38000, 40750, 47500, 49552, 61940, 65200, 76000, 77425, 81500, 95000, 99104, 101875, 123880, 130400, 154850, 163000, 190000, 203750, 247760, 309700, 326000, 380000, 387125, 407500, 495520, 619400, 652000, 774250, 815000, 1238800, 1548500, 1630000, 1935625, 2477600, 3097000, 3260000, 3871250, 6194000, 7742500, 12388000, 15485000, 30970000, 61940000]

約数ペア:

[(1, 61940000), (2, 30970000), (4, 15485000), (5, 12388000), (8, 7742500), (10, 6194000), (16, 3871250), (19, 3260000), (20, 3097000), (25, 2477600), (32, 1935625), (38, 1630000), (40, 1548500), (50, 1238800), (76, 815000), (80, 774250), (95, 652000), (100, 619400), (125, 495520), (152, 407500), (160, 387125), (163, 380000), (190, 326000), (200, 309700), (250, 247760), (304, 203750), (326, 190000), (380, 163000), (400, 154850), (475, 130400), (500, 123880), (608, 101875), (625, 99104), (652, 95000), (760, 81500), (800, 77425), (815, 76000), (950, 65200), (1000, 61940), (1250, 49552), (1304, 47500), (1520, 40750), (1630, 38000), (1900, 32600), (2000, 30970), (2375, 26080), (2500, 24776), (2608, 23750), (3040, 20375), (3097, 20000), (3260, 19000), (3800, 16300), (4000, 15485), (4075, 15200), (4750, 13040), (5000, 12388), (5216, 11875), (6194, 10000), (6520, 9500), (7600, 8150)]