42557264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139991}}^1$

素因数の和:140018

約数の個数: 20

約数和(自身を含む): 86795040

約数和(自身を除く): 44237776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 139991, 279982, 559964, 1119928, 2239856, 2659829, 5319658, 10639316, 21278632, 42557264]

約数ペア:

[(1, 42557264), (2, 21278632), (4, 10639316), (8, 5319658), (16, 2659829), (19, 2239856), (38, 1119928), (76, 559964), (152, 279982), (304, 139991)]