17949132560

素因数分解:

$2^4\times 5^1\times {\mathrm{19963}}^1\times {\mathrm{11239}}^1$

素因数の和:31215

約数の個数: 40

約数和(自身を含む): 41737536960

約数和(自身を除く): 23788404400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11239, 19963, 22478, 39926, 44956, 56195, 79852, 89912, 99815, 112390, 159704, 179824, 199630, 224780, 319408, 399260, 449560, 798520, 899120, 1597040, 224364157, 448728314, 897456628, 1121820785, 1794913256, 2243641570, 3589826512, 4487283140, 8974566280, 17949132560]

約数ペア:

[(1, 17949132560), (2, 8974566280), (4, 4487283140), (5, 3589826512), (8, 2243641570), (10, 1794913256), (16, 1121820785), (20, 897456628), (40, 448728314), (80, 224364157), (11239, 1597040), (19963, 899120), (22478, 798520), (39926, 449560), (44956, 399260), (56195, 319408), (79852, 224780), (89912, 199630), (99815, 179824), (112390, 159704)]