40542890

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{12953}}^1$

素因数の和:13273

約数の個数: 16

約数和(自身を含む): 73216008

約数和(自身を除く): 32673118

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 12953, 25906, 64765, 129530, 4054289, 8108578, 20271445, 40542890]

約数ペア:

[(1, 40542890), (2, 20271445), (5, 8108578), (10, 4054289), (313, 129530), (626, 64765), (1565, 25906), (3130, 12953)]