64405210

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{32693}}^1$

素因数の和:32897

約数の個数: 16

約数和(自身を含む): 116521416

約数和(自身を除く): 52116206

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 32693, 65386, 163465, 326930, 6440521, 12881042, 32202605, 64405210]

約数ペア:

[(1, 64405210), (2, 32202605), (5, 12881042), (10, 6440521), (197, 326930), (394, 163465), (985, 65386), (1970, 32693)]