72874840

素因数分解:

$2^3\times 5^1\times {\mathrm{1821871}}^1$

素因数の和:1821882

約数の個数: 16

約数和(自身を含む): 163968480

約数和(自身を除く): 91093640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1821871, 3643742, 7287484, 9109355, 14574968, 18218710, 36437420, 72874840]

約数ペア:

[(1, 72874840), (2, 36437420), (4, 18218710), (5, 14574968), (8, 9109355), (10, 7287484), (20, 3643742), (40, 1821871)]