388914080

素因数分解:

$2^5\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4493}}^1$

素因数の和:5049

約数の個数: 48

約数和(自身を含む): 920712744

約数和(自身を除く): 531798664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 541, 1082, 2164, 2705, 4328, 4493, 5410, 8656, 8986, 10820, 17312, 17972, 21640, 22465, 35944, 43280, 44930, 71888, 86560, 89860, 143776, 179720, 359440, 718880, 2430713, 4861426, 9722852, 12153565, 19445704, 24307130, 38891408, 48614260, 77782816, 97228520, 194457040, 388914080]

約数ペア:

[(1, 388914080), (2, 194457040), (4, 97228520), (5, 77782816), (8, 48614260), (10, 38891408), (16, 24307130), (20, 19445704), (32, 12153565), (40, 9722852), (80, 4861426), (160, 2430713), (541, 718880), (1082, 359440), (2164, 179720), (2705, 143776), (4328, 89860), (4493, 86560), (5410, 71888), (8656, 44930), (8986, 43280), (10820, 35944), (17312, 22465), (17972, 21640)]