38000000

素因数分解:

$2^7\times 5^6\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 112

約数和(自身を含む): 99608100

約数和(自身を除く): 61608100

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 200, 250, 304, 320, 380, 400, 475, 500, 608, 625, 640, 760, 800, 950, 1000, 1216, 1250, 1520, 1600, 1900, 2000, 2375, 2432, 2500, 3040, 3125, 3200, 3800, 4000, 4750, 5000, 6080, 6250, 7600, 8000, 9500, 10000, 11875, 12160, 12500, 15200, 15625, 16000, 19000, 20000, 23750, 25000, 30400, 31250, 38000, 40000, 47500, 50000, 59375, 60800, 62500, 76000, 80000, 95000, 100000, 118750, 125000, 152000, 190000, 200000, 237500, 250000, 296875, 304000, 380000, 400000, 475000, 500000, 593750, 760000, 950000, 1000000, 1187500, 1520000, 1900000, 2000000, 2375000, 3800000, 4750000, 7600000, 9500000, 19000000, 38000000]

約数ペア:

[(1, 38000000), (2, 19000000), (4, 9500000), (5, 7600000), (8, 4750000), (10, 3800000), (16, 2375000), (19, 2000000), (20, 1900000), (25, 1520000), (32, 1187500), (38, 1000000), (40, 950000), (50, 760000), (64, 593750), (76, 500000), (80, 475000), (95, 400000), (100, 380000), (125, 304000), (128, 296875), (152, 250000), (160, 237500), (190, 200000), (200, 190000), (250, 152000), (304, 125000), (320, 118750), (380, 100000), (400, 95000), (475, 80000), (500, 76000), (608, 62500), (625, 60800), (640, 59375), (760, 50000), (800, 47500), (950, 40000), (1000, 38000), (1216, 31250), (1250, 30400), (1520, 25000), (1600, 23750), (1900, 20000), (2000, 19000), (2375, 16000), (2432, 15625), (2500, 15200), (3040, 12500), (3125, 12160), (3200, 11875), (3800, 10000), (4000, 9500), (4750, 8000), (5000, 7600), (6080, 6250)]