11875000

素因数分解:

$2^3\times 5^7\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 64

約数和(自身を含む): 29296800

約数和(自身を除く): 17421800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 625, 760, 950, 1000, 1250, 1900, 2375, 2500, 3125, 3800, 4750, 5000, 6250, 9500, 11875, 12500, 15625, 19000, 23750, 25000, 31250, 47500, 59375, 62500, 78125, 95000, 118750, 125000, 156250, 237500, 296875, 312500, 475000, 593750, 625000, 1187500, 1484375, 2375000, 2968750, 5937500, 11875000]

約数ペア:

[(1, 11875000), (2, 5937500), (4, 2968750), (5, 2375000), (8, 1484375), (10, 1187500), (19, 625000), (20, 593750), (25, 475000), (38, 312500), (40, 296875), (50, 237500), (76, 156250), (95, 125000), (100, 118750), (125, 95000), (152, 78125), (190, 62500), (200, 59375), (250, 47500), (380, 31250), (475, 25000), (500, 23750), (625, 19000), (760, 15625), (950, 12500), (1000, 11875), (1250, 9500), (1900, 6250), (2375, 5000), (2500, 4750), (3125, 3800)]