9980560

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1795

約数の個数: 40

約数和(自身を含む): 23536440

約数和(自身を除く): 13555880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 1709, 2920, 3418, 5840, 6836, 8545, 13672, 17090, 27344, 34180, 68360, 124757, 136720, 249514, 499028, 623785, 998056, 1247570, 1996112, 2495140, 4990280, 9980560]

約数ペア:

[(1, 9980560), (2, 4990280), (4, 2495140), (5, 1996112), (8, 1247570), (10, 998056), (16, 623785), (20, 499028), (40, 249514), (73, 136720), (80, 124757), (146, 68360), (292, 34180), (365, 27344), (584, 17090), (730, 13672), (1168, 8545), (1460, 6836), (1709, 5840), (2920, 3418)]