8189000

素因数分解:

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

素因数の和:471

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 12028600

約数列:

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

約数ペア:

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