40872728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{393007}}^1$

素因数の和:393026

約数の個数: 16

約数和(自身を含む): 82531680

約数和(自身を除く): 41658952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 393007, 786014, 1572028, 3144056, 5109091, 10218182, 20436364, 40872728]

約数ペア:

[(1, 40872728), (2, 20436364), (4, 10218182), (8, 5109091), (13, 3144056), (26, 1572028), (52, 786014), (104, 393007)]