134435960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21407}}^1$

素因数の和:21575

約数の個数: 32

約数和(自身を含む): 304421760

約数和(自身を除く): 169985800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 21407, 42814, 85628, 107035, 171256, 214070, 428140, 856280, 3360899, 6721798, 13443596, 16804495, 26887192, 33608990, 67217980, 134435960]

約数ペア:

[(1, 134435960), (2, 67217980), (4, 33608990), (5, 26887192), (8, 16804495), (10, 13443596), (20, 6721798), (40, 3360899), (157, 856280), (314, 428140), (628, 214070), (785, 171256), (1256, 107035), (1570, 85628), (3140, 42814), (6280, 21407)]