40497760

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2135

約数の個数: 48

約数和(自身を含む): 96477696

約数和(自身を除く): 55979936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 1993, 2032, 2540, 3986, 4064, 5080, 7972, 9965, 10160, 15944, 19930, 20320, 31888, 39860, 63776, 79720, 159440, 253111, 318880, 506222, 1012444, 1265555, 2024888, 2531110, 4049776, 5062220, 8099552, 10124440, 20248880, 40497760]

約数ペア:

[(1, 40497760), (2, 20248880), (4, 10124440), (5, 8099552), (8, 5062220), (10, 4049776), (16, 2531110), (20, 2024888), (32, 1265555), (40, 1012444), (80, 506222), (127, 318880), (160, 253111), (254, 159440), (508, 79720), (635, 63776), (1016, 39860), (1270, 31888), (1993, 20320), (2032, 19930), (2540, 15944), (3986, 10160), (4064, 9965), (5080, 7972)]