57199720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26981}}^1$

素因数の和:27045

約数の個数: 32

約数和(自身を含む): 131132520

約数和(自身を除く): 73932800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 26981, 53962, 107924, 134905, 215848, 269810, 539620, 1079240, 1429993, 2859986, 5719972, 7149965, 11439944, 14299930, 28599860, 57199720]

約数ペア:

[(1, 57199720), (2, 28599860), (4, 14299930), (5, 11439944), (8, 7149965), (10, 5719972), (20, 2859986), (40, 1429993), (53, 1079240), (106, 539620), (212, 269810), (265, 215848), (424, 134905), (530, 107924), (1060, 53962), (2120, 26981)]