16378000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 80

約数和(自身を含む): 41783040

約数和(自身を除く): 25405040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 431, 475, 500, 760, 862, 950, 1000, 1520, 1724, 1900, 2000, 2155, 2375, 3448, 3800, 4310, 4750, 6896, 7600, 8189, 8620, 9500, 10775, 16378, 17240, 19000, 21550, 32756, 34480, 38000, 40945, 43100, 53875, 65512, 81890, 86200, 107750, 131024, 163780, 172400, 204725, 215500, 327560, 409450, 431000, 655120, 818900, 862000, 1023625, 1637800, 2047250, 3275600, 4094500, 8189000, 16378000]

約数ペア:

[(1, 16378000), (2, 8189000), (4, 4094500), (5, 3275600), (8, 2047250), (10, 1637800), (16, 1023625), (19, 862000), (20, 818900), (25, 655120), (38, 431000), (40, 409450), (50, 327560), (76, 215500), (80, 204725), (95, 172400), (100, 163780), (125, 131024), (152, 107750), (190, 86200), (200, 81890), (250, 65512), (304, 53875), (380, 43100), (400, 40945), (431, 38000), (475, 34480), (500, 32756), (760, 21550), (862, 19000), (950, 17240), (1000, 16378), (1520, 10775), (1724, 9500), (1900, 8620), (2000, 8189), (2155, 7600), (2375, 6896), (3448, 4750), (3800, 4310)]