131871760

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2663}}^1$

素因数の和:3295

約数の個数: 40

約数和(自身を含む): 307212480

約数和(自身を除く): 175340720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 2476, 2663, 3095, 4952, 5326, 6190, 9904, 10652, 12380, 13315, 21304, 24760, 26630, 42608, 49520, 53260, 106520, 213040, 1648397, 3296794, 6593588, 8241985, 13187176, 16483970, 26374352, 32967940, 65935880, 131871760]

約数ペア:

[(1, 131871760), (2, 65935880), (4, 32967940), (5, 26374352), (8, 16483970), (10, 13187176), (16, 8241985), (20, 6593588), (40, 3296794), (80, 1648397), (619, 213040), (1238, 106520), (2476, 53260), (2663, 49520), (3095, 42608), (4952, 26630), (5326, 24760), (6190, 21304), (9904, 13315), (10652, 12380)]