40407536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{194267}}^1$

素因数の和:194288

約数の個数: 20

約数和(自身を含む): 84312312

約数和(自身を除く): 43904776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 194267, 388534, 777068, 1554136, 2525471, 3108272, 5050942, 10101884, 20203768, 40407536]

約数ペア:

[(1, 40407536), (2, 20203768), (4, 10101884), (8, 5050942), (13, 3108272), (16, 2525471), (26, 1554136), (52, 777068), (104, 388534), (208, 194267)]