173889680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21521}}^1$

素因数の和:21635

約数の個数: 40

約数和(自身を含む): 408315384

約数和(自身を除く): 234425704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 21521, 43042, 86084, 107605, 172168, 215210, 344336, 430420, 860840, 1721680, 2173621, 4347242, 8694484, 10868105, 17388968, 21736210, 34777936, 43472420, 86944840, 173889680]

約数ペア:

[(1, 173889680), (2, 86944840), (4, 43472420), (5, 34777936), (8, 21736210), (10, 17388968), (16, 10868105), (20, 8694484), (40, 4347242), (80, 2173621), (101, 1721680), (202, 860840), (404, 430420), (505, 344336), (808, 215210), (1010, 172168), (1616, 107605), (2020, 86084), (4040, 43042), (8080, 21521)]