7816840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2677}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 17835480

約数和(自身を除く): 10018640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2677, 2920, 5354, 10708, 13385, 21416, 26770, 53540, 107080, 195421, 390842, 781684, 977105, 1563368, 1954210, 3908420, 7816840]

約数ペア:

[(1, 7816840), (2, 3908420), (4, 1954210), (5, 1563368), (8, 977105), (10, 781684), (20, 390842), (40, 195421), (73, 107080), (146, 53540), (292, 26770), (365, 21416), (584, 13385), (730, 10708), (1460, 5354), (2677, 2920)]