16978018900

素因数分解:

$2^2\times 5^2\times {\mathrm{4111}}^1\times {\mathrm{41299}}^1$

素因数の和:45424

約数の個数: 36

約数和(自身を含む): 36852155200

約数和(自身を除く): 19874136300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 4111, 8222, 16444, 20555, 41110, 41299, 82220, 82598, 102775, 165196, 205550, 206495, 411100, 412990, 825980, 1032475, 2064950, 4129900, 169780189, 339560378, 679120756, 848900945, 1697801890, 3395603780, 4244504725, 8489009450, 16978018900]

約数ペア:

[(1, 16978018900), (2, 8489009450), (4, 4244504725), (5, 3395603780), (10, 1697801890), (20, 848900945), (25, 679120756), (50, 339560378), (100, 169780189), (4111, 4129900), (8222, 2064950), (16444, 1032475), (20555, 825980), (41110, 412990), (41299, 411100), (82220, 206495), (82598, 205550), (102775, 165196)]