38638040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137993}}^1$

素因数の和:138011

約数の個数: 32

約数和(自身を含む): 99355680

約数和(自身を除く): 60717640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 137993, 275986, 551972, 689965, 965951, 1103944, 1379930, 1931902, 2759860, 3863804, 4829755, 5519720, 7727608, 9659510, 19319020, 38638040]

約数ペア:

[(1, 38638040), (2, 19319020), (4, 9659510), (5, 7727608), (7, 5519720), (8, 4829755), (10, 3863804), (14, 2759860), (20, 1931902), (28, 1379930), (35, 1103944), (40, 965951), (56, 689965), (70, 551972), (140, 275986), (280, 137993)]