66166900

素因数分解:

$2^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{1999}}^1$

素因数の和:2344

約数の個数: 36

約数和(自身を含む): 144088000

約数和(自身を除く): 77921100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 331, 662, 1324, 1655, 1999, 3310, 3998, 6620, 7996, 8275, 9995, 16550, 19990, 33100, 39980, 49975, 99950, 199900, 661669, 1323338, 2646676, 3308345, 6616690, 13233380, 16541725, 33083450, 66166900]

約数ペア:

[(1, 66166900), (2, 33083450), (4, 16541725), (5, 13233380), (10, 6616690), (20, 3308345), (25, 2646676), (50, 1323338), (100, 661669), (331, 199900), (662, 99950), (1324, 49975), (1655, 39980), (1999, 33100), (3310, 19990), (3998, 16550), (6620, 9995), (7996, 8275)]