55397240

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{8293}}^1$

素因数の和:8471

約数の個数: 32

約数和(自身を含む): 125405280

約数和(自身を除く): 70008040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 8293, 16586, 33172, 41465, 66344, 82930, 165860, 331720, 1384931, 2769862, 5539724, 6924655, 11079448, 13849310, 27698620, 55397240]

約数ペア:

[(1, 55397240), (2, 27698620), (4, 13849310), (5, 11079448), (8, 6924655), (10, 5539724), (20, 2769862), (40, 1384931), (167, 331720), (334, 165860), (668, 82930), (835, 66344), (1336, 41465), (1670, 33172), (3340, 16586), (6680, 8293)]