42539390

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{80263}}^1$

素因数の和:80323

約数の個数: 16

約数和(自身を含む): 78016608

約数和(自身を除く): 35477218

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 80263, 160526, 401315, 802630, 4253939, 8507878, 21269695, 42539390]

約数ペア:

[(1, 42539390), (2, 21269695), (5, 8507878), (10, 4253939), (53, 802630), (106, 401315), (265, 160526), (530, 80263)]