40612478

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1123

約数の個数: 16

約数和(自身を含む): 61940160

約数和(自身を除く): 21327682

約数列:

[1, 2, 79, 158, 401, 641, 802, 1282, 31679, 50639, 63358, 101278, 257041, 514082, 20306239, 40612478]

約数ペア:

[(1, 40612478), (2, 20306239), (79, 514082), (158, 257041), (401, 101278), (641, 63358), (802, 50639), (1282, 31679)]