40731728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149749}}^1$

素因数の和:149774

約数の個数: 20

約数和(自身を含む): 83560500

約数和(自身を除く): 42828772

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 149749, 299498, 598996, 1197992, 2395984, 2545733, 5091466, 10182932, 20365864, 40731728]

約数ペア:

[(1, 40731728), (2, 20365864), (4, 10182932), (8, 5091466), (16, 2545733), (17, 2395984), (34, 1197992), (68, 598996), (136, 299498), (272, 149749)]