55340420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{45361}}^1$

素因数の和:45431

約数の個数: 24

約数和(自身を含む): 118122648

約数和(自身を除く): 62782228

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 45361, 90722, 181444, 226805, 453610, 907220, 2767021, 5534042, 11068084, 13835105, 27670210, 55340420]

約数ペア:

[(1, 55340420), (2, 27670210), (4, 13835105), (5, 11068084), (10, 5534042), (20, 2767021), (61, 907220), (122, 453610), (244, 226805), (305, 181444), (610, 90722), (1220, 45361)]