80877148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 164505600

約数和(自身を除く): 83628452

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 89, 178, 209, 356, 418, 836, 979, 1087, 1691, 1958, 2174, 3382, 3916, 4348, 6764, 11957, 18601, 20653, 23914, 37202, 41306, 47828, 74404, 82612, 96743, 193486, 227183, 386972, 454366, 908732, 1064173, 1838117, 2128346, 3676234, 4256692, 7352468, 20219287, 40438574, 80877148]

約数ペア:

[(1, 80877148), (2, 40438574), (4, 20219287), (11, 7352468), (19, 4256692), (22, 3676234), (38, 2128346), (44, 1838117), (76, 1064173), (89, 908732), (178, 454366), (209, 386972), (356, 227183), (418, 193486), (836, 96743), (979, 82612), (1087, 74404), (1691, 47828), (1958, 41306), (2174, 37202), (3382, 23914), (3916, 20653), (4348, 18601), (6764, 11957)]