57011980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66293}}^1$

素因数の和:66345

約数の個数: 24

約数和(自身を含む): 122511312

約数和(自身を除く): 65499332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 66293, 132586, 265172, 331465, 662930, 1325860, 2850599, 5701198, 11402396, 14252995, 28505990, 57011980]

約数ペア:

[(1, 57011980), (2, 28505990), (4, 14252995), (5, 11402396), (10, 5701198), (20, 2850599), (43, 1325860), (86, 662930), (172, 331465), (215, 265172), (430, 132586), (860, 66293)]