55940440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26387}}^1$

素因数の和:26451

約数の個数: 32

約数和(自身を含む): 128245680

約数和(自身を除く): 72305240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 26387, 52774, 105548, 131935, 211096, 263870, 527740, 1055480, 1398511, 2797022, 5594044, 6992555, 11188088, 13985110, 27970220, 55940440]

約数ペア:

[(1, 55940440), (2, 27970220), (4, 13985110), (5, 11188088), (8, 6992555), (10, 5594044), (20, 2797022), (40, 1398511), (53, 1055480), (106, 527740), (212, 263870), (265, 211096), (424, 131935), (530, 105548), (1060, 52774), (2120, 26387)]