91319720

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{9473}}^1$

素因数の和:9725

約数の個数: 32

約数和(自身を含む): 206343720

約数和(自身を除く): 115024000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9473, 9640, 18946, 37892, 47365, 75784, 94730, 189460, 378920, 2282993, 4565986, 9131972, 11414965, 18263944, 22829930, 45659860, 91319720]

約数ペア:

[(1, 91319720), (2, 45659860), (4, 22829930), (5, 18263944), (8, 11414965), (10, 9131972), (20, 4565986), (40, 2282993), (241, 378920), (482, 189460), (964, 94730), (1205, 75784), (1928, 47365), (2410, 37892), (4820, 18946), (9473, 9640)]