40401712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{194239}}^1$

素因数の和:194260

約数の個数: 20

約数和(自身を含む): 84300160

約数和(自身を除く): 43898448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 194239, 388478, 776956, 1553912, 2525107, 3107824, 5050214, 10100428, 20200856, 40401712]

約数ペア:

[(1, 40401712), (2, 20200856), (4, 10100428), (8, 5050214), (13, 3107824), (16, 2525107), (26, 1553912), (52, 776956), (104, 388478), (208, 194239)]