133199680

素因数分解:

$2^6\times 5^1\times {\mathrm{416249}}^1$

素因数の和:416266

約数の個数: 28

約数和(自身を含む): 317182500

約数和(自身を除く): 183982820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 416249, 832498, 1664996, 2081245, 3329992, 4162490, 6659984, 8324980, 13319968, 16649960, 26639936, 33299920, 66599840, 133199680]

約数ペア:

[(1, 133199680), (2, 66599840), (4, 33299920), (5, 26639936), (8, 16649960), (10, 13319968), (16, 8324980), (20, 6659984), (32, 4162490), (40, 3329992), (64, 2081245), (80, 1664996), (160, 832498), (320, 416249)]