39186280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19993}}^1$

素因数の和:20018

約数の個数: 48

約数和(自身を含む): 102569220

約数和(自身を除く): 63382940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19993, 39986, 79972, 99965, 139951, 159944, 199930, 279902, 399860, 559804, 699755, 799720, 979657, 1119608, 1399510, 1959314, 2799020, 3918628, 4898285, 5598040, 7837256, 9796570, 19593140, 39186280]

約数ペア:

[(1, 39186280), (2, 19593140), (4, 9796570), (5, 7837256), (7, 5598040), (8, 4898285), (10, 3918628), (14, 2799020), (20, 1959314), (28, 1399510), (35, 1119608), (40, 979657), (49, 799720), (56, 699755), (70, 559804), (98, 399860), (140, 279902), (196, 199930), (245, 159944), (280, 139951), (392, 99965), (490, 79972), (980, 39986), (1960, 19993)]