55333880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197621}}^1$

素因数の和:197639

約数の個数: 32

約数和(自身を含む): 142287840

約数和(自身を除く): 86953960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197621, 395242, 790484, 988105, 1383347, 1580968, 1976210, 2766694, 3952420, 5533388, 6916735, 7904840, 11066776, 13833470, 27666940, 55333880]

約数ペア:

[(1, 55333880), (2, 27666940), (4, 13833470), (5, 11066776), (7, 7904840), (8, 6916735), (10, 5533388), (14, 3952420), (20, 2766694), (28, 1976210), (35, 1580968), (40, 1383347), (56, 988105), (70, 790484), (140, 395242), (280, 197621)]