40245880

素因数分解:

$2^3\times 5^1\times {\mathrm{1006147}}^1$

素因数の和:1006158

約数の個数: 16

約数和(自身を含む): 90553320

約数和(自身を除く): 50307440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1006147, 2012294, 4024588, 5030735, 8049176, 10061470, 20122940, 40245880]

約数ペア:

[(1, 40245880), (2, 20122940), (4, 10061470), (5, 8049176), (8, 5030735), (10, 4024588), (20, 2012294), (40, 1006147)]