16121680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6949}}^1$

素因数の和:6991

約数の個数: 40

約数和(自身を含む): 38781000

約数和(自身を除く): 22659320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 6949, 13898, 27796, 34745, 55592, 69490, 111184, 138980, 201521, 277960, 403042, 555920, 806084, 1007605, 1612168, 2015210, 3224336, 4030420, 8060840, 16121680]

約数ペア:

[(1, 16121680), (2, 8060840), (4, 4030420), (5, 3224336), (8, 2015210), (10, 1612168), (16, 1007605), (20, 806084), (29, 555920), (40, 403042), (58, 277960), (80, 201521), (116, 138980), (145, 111184), (232, 69490), (290, 55592), (464, 34745), (580, 27796), (1160, 13898), (2320, 6949)]