53657560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121949}}^1$

素因数の和:121971

約数の個数: 32

約数和(自身を含む): 131706000

約数和(自身を除く): 78048440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 121949, 243898, 487796, 609745, 975592, 1219490, 1341439, 2438980, 2682878, 4877960, 5365756, 6707195, 10731512, 13414390, 26828780, 53657560]

約数ペア:

[(1, 53657560), (2, 26828780), (4, 13414390), (5, 10731512), (8, 6707195), (10, 5365756), (11, 4877960), (20, 2682878), (22, 2438980), (40, 1341439), (44, 1219490), (55, 975592), (88, 609745), (110, 487796), (220, 243898), (440, 121949)]