166207840

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6373}}^1$

素因数の和:6551

約数の個数: 48

約数和(自身を含む): 395137008

約数和(自身を除く): 228929168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6373, 6520, 12746, 13040, 25492, 26080, 31865, 50984, 63730, 101968, 127460, 203936, 254920, 509840, 1019680, 1038799, 2077598, 4155196, 5193995, 8310392, 10387990, 16620784, 20775980, 33241568, 41551960, 83103920, 166207840]

約数ペア:

[(1, 166207840), (2, 83103920), (4, 41551960), (5, 33241568), (8, 20775980), (10, 16620784), (16, 10387990), (20, 8310392), (32, 5193995), (40, 4155196), (80, 2077598), (160, 1038799), (163, 1019680), (326, 509840), (652, 254920), (815, 203936), (1304, 127460), (1630, 101968), (2608, 63730), (3260, 50984), (5216, 31865), (6373, 26080), (6520, 25492), (12746, 13040)]