40721936

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149713}}^1$

素因数の和:149738

約数の個数: 20

約数和(自身を含む): 83540412

約数和(自身を除く): 42818476

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 149713, 299426, 598852, 1197704, 2395408, 2545121, 5090242, 10180484, 20360968, 40721936]

約数ペア:

[(1, 40721936), (2, 20360968), (4, 10180484), (8, 5090242), (16, 2545121), (17, 2395408), (34, 1197704), (68, 598852), (136, 299426), (272, 149713)]