72462440

素因数分解:

$2^3\times 5^1\times {\mathrm{1811561}}^1$

素因数の和:1811572

約数の個数: 16

約数和(自身を含む): 163040580

約数和(自身を除く): 90578140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1811561, 3623122, 7246244, 9057805, 14492488, 18115610, 36231220, 72462440]

約数ペア:

[(1, 72462440), (2, 36231220), (4, 18115610), (5, 14492488), (8, 9057805), (10, 7246244), (20, 3623122), (40, 1811561)]