4477887760

素因数分解:

$2^4\times 5^1\times {\mathrm{2663}}^1\times {\mathrm{21019}}^1$

素因数の和:23695

約数の個数: 40

約数和(自身を含む): 10415494080

約数和(自身を除く): 5937606320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2663, 5326, 10652, 13315, 21019, 21304, 26630, 42038, 42608, 53260, 84076, 105095, 106520, 168152, 210190, 213040, 336304, 420380, 840760, 1681520, 55973597, 111947194, 223894388, 279867985, 447788776, 559735970, 895577552, 1119471940, 2238943880, 4477887760]

約数ペア:

[(1, 4477887760), (2, 2238943880), (4, 1119471940), (5, 895577552), (8, 559735970), (10, 447788776), (16, 279867985), (20, 223894388), (40, 111947194), (80, 55973597), (2663, 1681520), (5326, 840760), (10652, 420380), (13315, 336304), (21019, 213040), (21304, 210190), (26630, 168152), (42038, 106520), (42608, 105095), (53260, 84076)]